Core AI Holdings, Inc. - Common Shares CHAI

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Core AI Holdings, Inc. - Common Shares · Company · Nasdaq · Communication Services / Internet Content & Information

Paper trade (simulated — no real money)

Fill: USD 0.1870 · FX 1 USD = 1.277900 SGD · about SGD 0.2390 per unit

Sign in to practise with simulated trades before investing real money. USD fills are converted into the SGD portfolio at the displayed rate.

Announcement types: (default: consequential filings)
Results & current reports
Capital markets
Ownership & governance

USD closing-price chart (daily close from yfinance · Last year)

USD 4.75 → 0.19 · -96.1%
4.7502.4680.186 1 2,3 4 5 6 7 8 9 10 11 12 13 14 15,16 17 18 19 20 21 22 23 24 25 26 27 28 Oct 25Jan 26Apr 26Jul 26Oct 26

Numbered dotted lines mark the filtered filings under Announcement Events below.

Price & SEC Filing History 24 Oct 2025 — 25 Oct 2026 (Last year)

Daily Nasdaq prices are sourced from yfinance. Yellow highlighting marks an intraday rise or a gap up between adjacent trading sessions. SEC acceptance times are converted to US Eastern time: pre-market filings appear below that day’s OHLCV row; filings accepted after the 09:30 ET open appear above it. The SEC does not publish an exact first-public-availability timestamp, so acceptance time is the best available proxy.

Weekend
Weekend
0.1810 0.1902 0.1810 0.1870 174,334
0.2030 0.2030 0.1700 0.1860 635,900
0.2080 0.2150 0.2070 0.2070 138,500
0.2000 0.2240 0.2000 0.2030 396,800
0.2090 0.2100 0.1970 0.2050 116,500
Weekend
Weekend
0.2040 0.2100 0.2000 0.2000 227,000
0.2000 0.2200 0.2000 0.2110 259,500
0.2100 0.2150 0.2010 0.2070 286,800
0.2100 0.2190 0.2020 0.2110 216,600
0.2340 0.2400 0.2130 0.2170 392,200
Weekend
Weekend
0.2500 0.2550 0.2320 0.2340 261,200
0.2500 0.2570 0.2390 0.2450 391,700
0.2660 0.2700 0.2520 0.2560 422,200
0.2800 0.2810 0.2650 0.2660 562,700
0.2830 0.2860 0.2750 0.2840 389,800
Weekend
Weekend
0.2790 0.2960 0.2740 0.2850 543,600
0.2780 0.2860 0.2740 0.2790 251,900
0.2860 0.2860 0.2700 0.2750 344,000
0.2740 0.2910 0.2700 0.2820 705,800
0.2700 0.2780 0.2630 0.2700 609,500
Weekend
Weekend
0.2800 0.2900 0.2700 0.2720 547,600
0.3050 0.3050 0.2850 0.2860 498,400
0.2830 0.3090 0.2760 0.3050 1,280,800
28 · 6-K Pre-market · 08:30 ET 6-K ↗
0.2760 0.3000 0.2760 0.2900 1,451,100
0.2740 0.2910 0.2690 0.2770 1,114,300
Weekend
Weekend
0.2630 0.3000 0.2550 0.2750 1,906,600
0.2530 0.2870 0.2520 0.2690 1,089,500
0.2600 0.2660 0.2550 0.2610 419,300
0.2620 0.2680 0.2520 0.2630 315,600
0.2700 0.2760 0.2610 0.2700 495,500
Weekend
Weekend
0.2600 0.2780 0.2540 0.2700 565,300
0.2570 0.2700 0.2550 0.2570 439,700
0.2770 0.2770 0.2390 0.2550 1,053,900
0.2740 0.2900 0.2710 0.2740 575,000
No trading
Weekend
Weekend
0.3050 0.3070 0.2670 0.2700 1,390,300
0.3180 0.3440 0.3000 0.3000 1,013,500
0.3320 0.3360 0.3100 0.3180 1,618,700
0.3470 0.3680 0.3190 0.3360 1,785,200
0.3400 0.4000 0.3130 0.3820 9,528,300
Weekend
Weekend
0.2370 0.5200 0.2320 0.4000 303,351,800
27 · 6-K Pre-market · 08:53 ET 6-K ↗ 26 · 6-K After-hours · 16:06 ET 6-K ↗
0.2600 0.2610 0.2530 0.2550 1,544,400
0.2520 0.2660 0.2500 0.2550 307,600
0.2650 0.2650 0.2530 0.2600 455,100
0.2670 0.2740 0.2560 0.2600 434,700
Weekend
Weekend
0.2650 0.2790 0.2500 0.2660 388,200
0.2700 0.2700 0.2530 0.2620 523,000
0.2710 0.2740 0.2600 0.2610 564,100
0.2800 0.2800 0.2700 0.2720 257,400
0.3050 0.3050 0.2730 0.2810 412,000
Weekend
Weekend
0.2900 0.3060 0.2890 0.2950 403,200
0.2900 0.3000 0.2880 0.2920 616,300
25 · 6-K After-hours · 17:30 ET 6-K ↗
0.3050 0.3120 0.2910 0.2980 934,600
24 · 424B5 After-hours · 17:23 ET 424B5 ↗
0.3360 0.3360 0.3080 0.3190 725,700
0.3290 0.3390 0.3290 0.3310 387,000
Weekend
Weekend
0.3560 0.3560 0.3250 0.3360 959,300
23 · 6-K After market open · 09:55 ET 6-K ↗
0.3390 0.3600 0.3370 0.3460 708,600
0.3650 0.3650 0.3350 0.3500 882,300
0.3600 0.3880 0.3600 0.3740 861,400
0.3830 0.3850 0.3630 0.3720 940,400
Weekend
Weekend
22 · 6-K After-hours · 16:35 ET 6-K ↗
0.4020 0.4080 0.3790 0.3900 1,392,900
0.4360 0.4500 0.4070 0.4250 1,534,600
21 · 6-K Pre-market · 09:20 ET 6-K ↗
0.4030 0.4900 0.4030 0.4470 3,967,300
0.4910 0.5320 0.4090 0.4700 109,471,400
20 · 6-K Pre-market · 08:59 ET 6-K ↗
0.3910 0.4130 0.3730 0.3930 938,000
Weekend
Weekend
0.4400 0.4590 0.3700 0.3980 1,785,000
0.4600 0.4890 0.4000 0.4690 4,474,200
0.6170 0.6180 0.4460 0.5000 110,437,300
0.4020 0.4200 0.3600 0.3910 54,888,700
19 · 6-K Pre-market · 09:08 ET 6-K ↗
0.4100 0.4800 0.4100 0.4500 297,000
Weekend
Weekend
0.4700 0.4700 0.4200 0.4200 146,500
0.4600 0.4800 0.4370 0.4640 198,400
0.4690 0.4950 0.4450 0.4450 183,500
0.4750 0.4810 0.4600 0.4600 145,000
0.5500 0.5500 0.4680 0.4750 393,000
Weekend
Weekend
0.5460 0.5530 0.5200 0.5400 192,500
0.5500 0.6000 0.5200 0.5410 467,300
0.5770 0.5800 0.5330 0.5340 216,700
0.6210 0.6360 0.5040 0.5900 1,494,200
18 · 6-K Pre-market · 08:23 ET 6-K ↗
0.6710 0.6800 0.6020 0.6020 386,800
Weekend
Weekend
No trading
0.7000 0.7410 0.6520 0.6520 218,900
0.7100 0.7500 0.6330 0.7100 533,600
17 · 6-K After-hours · 16:05 ET 6-K ↗
0.6790 0.8400 0.6710 0.7140 2,835,700
0.6850 0.7070 0.6320 0.6540 389,000
Weekend
Weekend
0.6800 0.7500 0.6610 0.6690 286,100
0.7400 0.7450 0.6860 0.6900 332,700
0.7810 0.7960 0.7050 0.7130 465,000
0.7910 0.8400 0.7500 0.7900 577,600
0.8800 0.8920 0.8000 0.8310 504,200
Weekend
Weekend
No trading
0.9900 0.9980 0.8900 0.8990 706,500
1.1000 1.1100 0.9510 1.0000 964,300
1.2300 1.2500 1.0800 1.0800 1,798,800
1.4200 1.7300 1.2000 1.2200 4,926,700
Weekend
Weekend
1.4900 1.5800 1.2700 1.3200 1,730,400
16 · 6-K After market open · 13:46 ET 6-K ↗ 15 · 424B5 After market open · 11:11 ET 424B5 ↗
1.3300 2.1800 1.2600 1.5000 12,662,600
1.3600 1.5900 1.2000 1.3700 7,142,900
3.5700 4.0500 1.6700 1.8600 167,873,900
0.8350 0.8500 0.8080 0.8200 59,852,800
Weekend
Weekend
0.9410 0.9410 0.8000 0.8310 79,800
0.9600 0.9600 0.9170 0.9450 28,300
0.9990 1.0300 0.9420 0.9420 91,500
1.0200 1.0600 0.9640 1.0300 86,700
1.0400 1.0600 1.0000 1.0100 111,800
Weekend
Weekend
1.0700 1.0900 1.0000 1.0500 86,700
1.1400 1.1500 1.0500 1.1000 70,400
1.1200 1.2000 1.0980 1.1700 113,400
1.0900 1.1700 1.0900 1.1100 57,200
14 · 20-F/A Pre-market · 06:05 ET 20-F/A ↗
No trading
Weekend
Weekend
1.0900 1.1500 1.0700 1.1200 65,000
1.0800 1.1300 1.0610 1.1100 48,100
1.0800 1.1300 1.0540 1.1000 71,900
1.1500 1.1900 1.0600 1.0800 154,100
1.1000 1.2400 1.0200 1.1700 1,494,200
13 · 6-K Pre-market · 08:24 ET 6-K ↗
Weekend
Weekend
12 · 20-F After-hours · 16:58 ET 20-F ↗
1.1500 1.1700 1.0700 1.0700 60,900
1.1610 1.2200 1.1600 1.1900 44,200
1.1800 1.2600 1.1700 1.1900 30,500
1.2000 1.2820 1.1700 1.2000 67,500
1.1700 1.2200 1.1500 1.1900 53,700
Weekend
Weekend
1.3000 1.3000 1.1700 1.1900 71,100
1.3300 1.3600 1.3000 1.3100 78,100
1.4300 1.4300 1.3000 1.3800 191,700
1.4200 1.5200 1.3300 1.5100 252,400
11 · 6-K Pre-market · 07:50 ET 6-K ↗
1.0800 1.4700 1.0600 1.4000 673,000
Weekend
Weekend
1.0200 1.0800 1.0000 1.0650 68,500
1.0600 1.0600 0.9640 1.0110 47,300
0.9900 1.0300 0.9700 0.9800 19,600
0.9870 1.0400 0.9730 0.9800 26,200
1.0000 1.0300 0.9760 1.0000 27,600
Weekend
Weekend
0.9850 1.0600 0.9600 0.9850 38,100
1.0100 1.0400 0.9600 0.9850 47,900
1.0300 1.0500 1.0100 1.0200 27,900
1.0600 1.0900 1.0300 1.0400 62,400
1.0600 1.0800 1.0500 1.0800 31,700
Weekend
Weekend
1.0600 1.1150 1.0500 1.0800 63,600
1.0600 1.1200 1.0400 1.0600 70,300
1.1200 1.1200 1.0300 1.0700 104,600
1.1800 1.2200 0.9700 1.1100 2,972,300
10 · 6-K Pre-market · 08:00 ET 6-K ↗
1.0300 1.0900 1.0100 1.0800 41,400
Weekend
Weekend
1.0700 1.1400 1.0300 1.0600 28,300
1.0700 1.1000 1.0700 1.0700 26,300
1.0700 1.1400 1.0300 1.0800 48,800
1.0700 1.1000 1.0100 1.0100 27,300
1.0800 1.1880 1.0500 1.0900 28,300
Weekend
Weekend
No trading
1.0600 1.0750 1.0100 1.0400 27,200
1.0300 1.1400 1.0290 1.1100 40,500
1.0000 1.1400 0.9530 1.0100 49,700
1.1200 1.1200 1.0000 1.0000 58,200
Weekend
Weekend
1.1200 1.2520 1.0300 1.1100 38,000
1.1700 1.2800 1.1000 1.1300 46,400
1.2500 1.2700 1.1700 1.1800 47,300
1.2900 1.3300 1.2100 1.2400 25,800
1.2300 1.3500 1.1600 1.3300 43,100
Weekend
Weekend
1.3200 1.3200 1.2000 1.2300 38,300
1.4800 1.4800 1.3000 1.3470 45,500
1.4800 1.5100 1.3000 1.4250 41,400
1.4800 1.7000 1.4500 1.5100 42,300
1.5000 1.7500 1.4370 1.4800 55,900
Weekend
Weekend
1.6500 1.6900 1.4360 1.5000 59,900
9 · 6-K Pre-market · 06:53 ET 6-K ↗
1.6200 1.7400 1.5600 1.5600 17,800
1.8400 1.8700 1.6300 1.6400 58,200
1.9300 1.9650 1.7400 1.8300 50,800
1.8400 1.9700 1.8000 1.9200 28,500
Weekend
Weekend
1.8700 1.9450 1.8000 1.8800 13,000
1.8500 2.0720 1.8500 1.9100 37,000
1.8000 1.9000 1.7500 1.8700 8,200
1.7600 1.8100 1.5800 1.8050 59,300
1.7900 1.8300 1.7350 1.7600 9,700
Weekend
Weekend
1.7400 1.8700 1.7100 1.8500 8,900
1.8200 1.8500 1.7600 1.8000 7,000
1.8700 1.9200 1.7800 1.8500 20,200
1.7800 1.9000 1.7400 1.8700 21,700
1.6500 1.7600 1.5830 1.7600 20,000
Weekend
Weekend
1.5000 1.6800 1.5000 1.6500 48,300
1.4900 1.5600 1.4500 1.5500 19,400
1.5000 1.5200 1.4400 1.5200 17,500
1.4900 1.6200 1.4600 1.5400 7,700
No trading
Weekend
Weekend
1.4000 1.5600 1.4000 1.5200 13,600
1.4700 1.5200 1.4000 1.4300 16,400
1.5700 1.6400 1.4850 1.5200 24,000
1.6400 1.6500 1.5400 1.5850 12,400
1.4800 1.6500 1.4800 1.6100 26,100
Weekend
Weekend
1.3200 1.5500 1.3200 1.5500 90,700
1.3800 1.3900 1.2400 1.2400 28,600
1.5400 1.5790 1.2100 1.4000 381,400
8 · 6-K Pre-market · 09:29 ET 6-K ↗
1.5900 1.6900 1.4800 1.5200 34,700
1.7000 1.8650 1.6000 1.6400 39,500
7 · 6-K Pre-market · 09:25 ET 6-K ↗
Weekend
Weekend
1.7900 1.8500 1.6300 1.6800 52,000
1.8700 2.0920 1.7500 1.8490 40,900
2.1500 2.1500 1.7800 1.8100 202,200
2.0600 2.2550 2.0600 2.1300 20,700
2.3000 2.3000 2.0200 2.0600 55,200
Weekend
Weekend
2.4600 2.5500 2.2850 2.3150 51,600
2.3300 2.5600 2.2700 2.4600 52,300
2.3600 2.4000 2.3000 2.3400 10,700
2.4000 2.4800 2.2400 2.3600 28,400
No trading
Weekend
Weekend
2.3000 2.4900 2.2900 2.4400 49,900
2.2400 2.3200 2.1900 2.2500 19,400
2.1400 2.3250 2.1400 2.1800 21,500
2.3900 2.4800 2.1900 2.2000 49,100
2.2800 2.4300 2.2010 2.3300 30,900
Weekend
Weekend
2.5200 2.5200 2.2500 2.2500 46,200
1.9700 2.4200 1.9700 2.3700 120,200
1.8800 2.0000 1.8200 1.9900 39,500
1.9600 2.0000 1.8600 1.8600 36,700
2.0200 2.2260 1.9300 1.9600 30,500
Weekend
Weekend
1.6700 2.0100 1.6700 1.9850 82,700
No trading
6 · 6-K After-hours · 16:30 ET 6-K ↗
1.7200 1.7500 1.6000 1.6300 145,200
1.9000 1.9000 1.8000 1.8000 111,000
2.0300 2.0900 1.8600 1.9100 78,300
Weekend
Weekend
2.0000 2.2150 1.9900 2.0900 71,300
No trading
2.0500 2.2900 2.0000 2.0300 21,000
2.1700 2.3500 2.0200 2.0200 61,900
2.3400 2.3900 2.2000 2.2000 123,200
Weekend
Weekend
2.3000 2.4300 2.2800 2.2900 42,200
2.3800 2.4300 2.2300 2.2600 19,600
2.3600 2.3800 2.2400 2.2900 47,200
2.3000 2.5290 2.2200 2.3400 54,400
2.5900 2.6450 2.3100 2.3200 46,100
Weekend
Weekend
2.8300 2.8300 2.5600 2.5900 40,300
2.7600 2.8390 2.7100 2.7700 42,800
2.8000 2.9420 2.6970 2.8100 42,900
2.7300 2.9200 2.7000 2.8100 70,400
2.7100 2.7700 2.6200 2.7300 73,000
Weekend
Weekend
2.7000 2.8280 2.5900 2.6900 101,800
2.5700 2.8150 2.5100 2.7300 113,300
2.4800 2.5700 2.3100 2.5300 96,400
5 · 6-K Pre-market · 07:41 ET 6-K ↗
2.4500 2.5500 2.4000 2.5100 35,600
2.6200 2.6300 2.3750 2.4000 55,500
Weekend
Weekend
2.4200 2.6750 2.4200 2.6600 47,800
No trading
2.7300 2.8500 2.4000 2.4100 253,600
2.6500 2.7100 2.4790 2.6800 107,900
2.2600 2.6900 2.2200 2.5300 153,800
Weekend
Weekend
4 · 6-K After-hours · 16:05 ET 6-K ↗
2.1400 2.3900 2.0800 2.3100 372,700
2.1700 2.3350 2.0100 2.0500 84,900
2.2000 2.2900 2.0280 2.1700 104,100
2.2000 2.3100 2.1100 2.2600 91,600
2.2200 2.4800 2.1300 2.2700 128,800
Weekend
Weekend
3 · 6-K After-hours · 16:25 ET 6-K ↗ 2 · 6-K After market open · 12:00 ET 6-K ↗
2.5100 2.5200 2.2000 2.2800 373,600
3.3700 3.4000 2.5900 2.7200 3,779,300
1 · F-3 Next filing day · accepted 12 Nov, 21:44 ET F-3 ↗
3.4400 3.8800 3.4320 3.7300 103,500
3.4800 3.6800 3.3400 3.3800 134,500
3.4500 3.6800 3.4200 3.5200 47,400
Weekend
Weekend
3.2100 3.5200 3.1800 3.4500 63,000
3.5500 3.7300 3.2900 3.3200 83,100
3.5400 3.9700 3.5000 3.7600 95,000
3.8700 3.9550 3.5650 3.6700 111,500
4.1500 4.2800 3.7800 3.9100 88,200
Weekend
Weekend
4.1100 4.3300 4.0700 4.2200 70,100
4.3000 4.3800 4.0800 4.1600 89,300
4.5900 4.7000 4.3100 4.3700 83,400
4.4700 4.8390 4.3500 4.5500 108,700
4.9300 5.0600 4.4500 4.5400 119,500
Weekend
Weekend
5.0500 5.1900 4.6750 4.7500 160,400

Announcement Events

Each title opens the filing on the SEC website. Registered users can summarise the filing and up to seven relevant exhibits linked within the same SEC submission.

28 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:30 ET Summarise
27 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:53 ET Summarise
26 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:06 ET Summarise
25 6-K 6-K (opens SEC filing in a new tab) After-hours · 17:30 ET Summarise
24 424B5 424B5 (opens SEC filing in a new tab) After-hours · 17:23 ET Summarise
23 6-K 6-K (opens SEC filing in a new tab) After market open · 09:55 ET Summarise
22 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:35 ET Summarise
21 6-K 6-K (opens SEC filing in a new tab) Pre-market · 09:20 ET Summarise
20 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:59 ET Summarise
19 6-K 6-K (opens SEC filing in a new tab) Pre-market · 09:08 ET Summarise
18 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:23 ET Summarise
17 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:05 ET Summarise
16 6-K 6-K (opens SEC filing in a new tab) After market open · 13:46 ET Summarise
15 424B5 424B5 (opens SEC filing in a new tab) After market open · 11:11 ET Summarise
14 20-F/A 20-F/A (opens SEC filing in a new tab) Pre-market · 06:05 ET Summarise
13 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:24 ET Summarise
12 20-F 20-F (opens SEC filing in a new tab) After-hours · 16:58 ET Summarise
11 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:50 ET Summarise
10 6-K 6-K (opens SEC filing in a new tab) Pre-market · 08:00 ET Summarise
9 6-K 6-K (opens SEC filing in a new tab) Pre-market · 06:53 ET Summarise
8 6-K 6-K (opens SEC filing in a new tab) Pre-market · 09:29 ET Summarise
7 6-K 6-K (opens SEC filing in a new tab) Pre-market · 09:25 ET Summarise
6 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:30 ET Summarise
5 6-K 6-K (opens SEC filing in a new tab) Pre-market · 07:41 ET Summarise
4 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:05 ET Summarise
3 6-K 6-K (opens SEC filing in a new tab) After-hours · 16:25 ET Summarise
2 6-K 6-K (opens SEC filing in a new tab) After market open · 12:00 ET Summarise
1 F-3 F-3 (opens SEC filing in a new tab) Next filing day · accepted 12 Nov, 21:44 ET Summarise