BTC 9SEP26 Options Chain

BTC options expiring 9SEP26, 2 days out, with the forward at $79,381. Open interest is $55M in calls and $31M in puts, put/call 0.56, and max pain is $79,500. At-the-money implied volatility is 31.7%. 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	$13020 / $15773 50%	–	65000	–	– / $18.00 50%	0
0	$8468 / $10330 50%	–	70000	–	– / $23.00 50%	0
0	–	$8040 / $8660 64%	71000	– / $15.00 64%	–	0
0	$6613 / $8150 50%	$7080 / $7660 58%	72000	– / $20.00 58%	– / $28.00 50%	0
0	–	$6080 / $6680 54%	73000	– / $20.00 54%	–	0
0	$5260 / $5458 47%	$5040 / $5640 48%	74000	$5.00 / $25.00 48%	$6.00 / $27.00 47%	0
0	$4278 / $4481 43%	$4060 / $4680 43%	75000	$15.00 / $35.00 43%	$7.00 / $28.00 43%	1
0	$3282 / $3502 39%	$3120 / $3660 38%	76000	$40.00 / $50.00 38%	$23.00 / $50.00 39%	0
0	$2306 / $2554 35%	$2160 / $2700 34%	77000	$65.00 / $100.00 34%	$70.00 / $96.00 35%	1
0	–	$1740 / $2240 32%	77500	$110 / $140 32%	–	1
2	$1427 / $1696 31%	$1300 / $1840 32%	78000	$185 / $230 32%	$190 / $216 31%	0
0	–	$975 / $1400 31%	78500	$305 / $360 31%	–	0
2	$830 / $948 29%	$865 / $955 31%	79000	$475 / $545 31%	$480 / $541 29%	0
1	–	$605 / $670 32%	79500	$715 / $790 32%	–	0
0	$401 / $469 31%	$410 / $470 32%	80000	$980 / $1100 32%	$970 / $1126 31%	2
1	–	$270 / $320 32%	80500	$1200 / $1680 32%	–	0
2	$170 / $200 34%	$175 / $210 33%	81000	$1620 / $2080 33%	$1687 / $1949 34%	2
0	–	$115 / $140 34%	81500	$2040 / $2540 34%	–	0
0	$68.00 / $100.00 37%	$70.00 / $95.00 35%	82000	$2460 / $3000 35%	$2589 / $2827 37%	2
0	–	$45.00 / $65.00 36%	82500	$2960 / $3520 36%	–	0
0	$28.00 / $44.00 41%	$30.00 / $55.00 38%	83000	$3420 / $3960 38%	$3561 / $3776 41%	0
0	$13.00 / $27.00 44%	$10.00 / $35.00 42%	84000	$4380 / $4980 42%	$4551 / $4750 44%	0
0	$6.00 / $18.00 46%	$5.00 / $25.00 44%	85000	$5360 / $5940 44%	$5576 / $5766 46%	0
0	$6.00 / $15.00 49%	– / $20.00 49%	86000	$6360 / $6940 49%	$6557 / $6746 49%	0
0	–	– / $20.00 49%	87000	$7360 / $7960 49%	–	0
0	– / $8.00 49%	– / $15.00 54%	88000	$8340 / $8920 54%	$7762 / $9459 49%	0
0	–	– / $15.00 58%	89000	$9380 / $9960 58%	–	0
0	– / $5.00 49%	–	90000	–	$9582 / $11644 49%	0
0	– / $2.00 49%	–	95000	–	$14130 / $17090 49%	0
0	– / $2.00 49%	–	100000	–	$18679 / $22540 49%	0