BTC 25SEP26 Options Chain

BTC options expiring 25SEP26, 18 days out, with the forward at $79,512. Open interest is $10B in calls and $5B in puts, put/call 0.52, and max pain is $72,000. At-the-money implied volatility is 36.4%. Where a strike is listed on both venues the cheaper ask and richer bid are visible side by side; the arb scanner flags any gap that exceeds fees. Strikes shown are within 60% of the forward. All BTC expiries.

Chain

Derive bid / ask (IV) · Deribit bid / ask (IV) · open interest in contracts, both venues combined.

Call OI	Derive call	Deribit call	Strike	Deribit put	Derive put	Put OI
0	– / – 60%	$34200 / $34780 89%	45000	$5.00 / $20.00 89%	$4.00 / $21.00 60%	32
0	– / – 60%	$29180 / $29820 78%	50000	$5.00 / $30.00 78%	$3.00 / $32.00 60%	44
0	$24833 / – 60%	$27180 / $27820 74%	52000	$5.00 / $30.00 74%	$3.00 / $27.00 60%	23
0	$23014 / – 60%	$25180 / $25840 68%	54000	$10.00 / $35.00 68%	$8.00 / $37.00 60%	10
14	$22111 / – 60%	$24180 / $24800 67%	55000	$20.00 / $40.00 67%	$13.00 / $37.00 60%	46
0	$21194 / – 60%	$23200 / $23840 65%	56000	$15.00 / $45.00 65%	$13.00 / $42.00 60%	54
0	$21312 / $21604 59%	$21200 / $21860 62%	58000	$25.00 / $50.00 62%	$23.00 / $52.00 59%	39
28	$19324 / $19618 57%	$19220 / $19880 57%	60000	$35.00 / $50.00 57%	$34.00 / $53.00 57%	66
40	$17347 / $17644 54%	$17260 / $17860 54%	62000	$45.00 / $70.00 54%	$43.00 / $71.00 54%	69
50	$15357 / $15648 51%	$15280 / $15860 51%	64000	$65.00 / $90.00 51%	$64.00 / $94.00 51%	154
36	$14369 / $14676 49%	$14260 / $14880 49%	65000	$75.00 / $100.00 49%	$77.00 / $110 50%	43
41	$12107 / $13708 48%	$13280 / $13900 47%	66000	$95.00 / $120 47%	$94.00 / $122 48%	37
9	$11409 / $11735 45%	$11360 / $11940 44%	68000	$150 / $180 44%	$156 / $177 45%	35
468	$9515 / – 43%	$9420 / $10040 42%	70000	$230 / $265 42%	$238 / $271 42%	60
31	$7659 / $8026 40%	$7620 / $8200 40%	72000	$395 / $415 40%	$391 / $421 40%	36
0	–	$6700 / $7280 38%	73000	$500 / $535 38%	–	1
8	$6008 / $6263 38%	$5880 / $6440 38%	74000	$660 / $690 38%	$660 / $703 38%	19
914	$5241 / $5463 37%	$5120 / $5620 37%	75000	$860 / $890 37%	$859 / $909 37%	534
29	$4518 / $4703 36%	$4360 / $4880 37%	76000	$1080 / $1160 37%	$1101 / $1173 36%	42
13	–	$3700 / $4180 36%	77000	$1400 / $1480 36%	–	11
42	$3259 / $3379 36%	$3280 / $3400 36%	78000	$1780 / $1880 36%	$1795 / $1879 36%	20
2	–	$2780 / $2840 36%	79000	$2240 / $2320 36%	–	12
979	$2260 / $2348 36%	$2300 / $2360 36%	80000	$2760 / $2840 36%	$2758 / $2860 36%	530
15	–	$1900 / $1940 37%	81000	$3360 / $3440 37%	–	0
22	$1511 / $1589 37%	$1560 / $1580 37%	82000	$3880 / $4300 37%	$3984 / $4137 37%	3
6	–	$1260 / $1300 37%	83000	$4540 / $5020 37%	–	0
27	$990 / $1051 38%	$1020 / $1060 38%	84000	$5340 / $5820 38%	$5411 / $5645 38%	2
67	$797 / $850 39%	$835 / $860 38%	85000	$6120 / $6600 38%	$6182 / $6452 39%	2
27	$648 / $687 39%	$675 / $700 39%	86000	$6960 / $7480 39%	$7008 / $7298 39%	0
0	–	$545 / $570 39%	87000	$7820 / $8360 39%	–	0
2	–	$435 / $470 40%	88000	$8700 / $9260 40%	–	0
83	$281 / $315 42%	$285 / $320 41%	90000	$10500 / $11080 41%	$10599 / $10946 42%	0
22	–	$190 / $225 43%	92000	$12420 / $13040 43%	–	0
31	–	$130 / $165 44%	94000	$14360 / $14980 44%	–	0
31	$108 / $137 46%	$110 / $140 45%	95000	$15340 / $15920 45%	$15441 / $15780 46%	1
21	–	$90.00 / $120 46%	96000	$16320 / $16900 46%	–	0
1	–	$60.00 / $95.00 48%	98000	$18300 / $18900 48%	–	0
29	$49.00 / $72.00 49%	$50.00 / $70.00 49%	100000	$20280 / $20880 49%	$20414 / $20682 49%	0
2	–	$30.00 / $55.00 51%	102000	$22260 / $22780 51%	–	0
7	$19.00 / $41.00 52%	$20.00 / $40.00 53%	105000	$25240 / $25820 53%	$25349 / $25667 52%	0
23	– / – 55%	$10.00 / $25.00 56%	110000	$30220 / $30840 56%	– / $33447 55%	0
101	– / – 55%	$10.00 / $20.00 61%	115000	$35220 / $35840 61%	– / $38899 55%	0
25	$1.00 / – 55%	$5.00 / $15.00 67%	120000	$40220 / $40840 67%	– / $44348 55%	0
2	– / – 55%	– / $15.00 73%	125000	$45220 / $45840 73%	– / $49798 55%	0
49	– / – 55%	– / $15.00 73%	130000	$50220 / $50840 73%	– / $55248 55%	6
0	– / – 55%	– / $15.00 73%	135000	$55220 / $55840 73%	– / $60698 55%	1
52	– / – 55%	– / $15.00 76%	140000	$60200 / $60820 76%	– / $66148 55%	50