BTC 8SEP26 Options Chain

BTC options expiring 8SEP26, 1 days out, with the forward at $79,487. Open interest is $89M in calls and $63M in puts, put/call 0.71, and max pain is $80,000. At-the-money implied volatility is 28.4%. 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	– / – 48%	–	65000	–	– / – 48%	0
0	– / – 48%	$9240 / $9760 63%	70000	– / $10.00 63%	– / – 48%	0
0	–	$8140 / $8760 61%	71000	– / $10.00 61%	–	0
0	– / – 48%	$7140 / $7760 60%	72000	– / $10.00 60%	– / – 48%	0
0	–	$6140 / $6780 60%	73000	– / $15.00 60%	–	0
0	– / – 48%	$5220 / $5780 58%	74000	– / $15.00 58%	– / – 48%	0
0	– / – 48%	$4140 / $4780 49%	75000	– / $15.00 49%	– / – 48%	0
0	$3350 / $3608 45%	$3220 / $3780 46%	76000	– / $20.00 46%	$6.00 / $26.00 45%	0
0	$2340 / $2631 39%	$2260 / $2800 40%	77000	$10.00 / $35.00 40%	$13.00 / $27.00 39%	2
0	–	$1660 / $2300 35%	77500	$40.00 / $45.00 35%	–	1
6	$1430 / $1652 33%	$1200 / $1780 32%	78000	$45.00 / $75.00 32%	$43.00 / $61.00 33%	2
0	$1010 / $1205 30%	$770 / $1340 30%	78500	$95.00 / $125 30%	$100.00 / $125 30%	1
0	$650 / $800 28%	$660 / $810 28%	79000	$195 / $240 28%	$190 / $230 28%	0
0	$380 / $467 27%	$390 / $440 28%	79500	$380 / $450 28%	$380 / $468 27%	1
0	$200 / $260 28%	$200 / $250 29%	80000	$645 / $795 29%	$660 / $819 28%	1
0	$100.00 / $130 30%	$100.00 / $140 30%	80500	$925 / $1360 30%	$1000 / $1258 30%	1
2	$50.00 / $78.00 32%	$50.00 / $80.00 32%	81000	$1340 / $1920 32%	$1448 / $1692 32%	0
0	–	$20.00 / $45.00 35%	81500	$1800 / $2300 35%	–	0
0	$13.00 / $27.00 37%	$10.00 / $35.00 38%	82000	$2280 / $2880 38%	$2374 / $2662 37%	0
0	–	– / $25.00 40%	82500	$2740 / $3300 40%	–	0
0	– / $26.00 41%	– / $20.00 41%	83000	$3240 / $3800 41%	$3397 / $3633 41%	0
0	–	– / $20.00 41%	83500	$3740 / $4380 41%	–	0
0	– / – 44%	– / $15.00 41%	84000	$4240 / $4880 41%	– / – 44%	0
0	– / – 44%	– / $15.00 44%	85000	$5240 / $5880 44%	– / – 44%	0
0	– / – 44%	– / $10.00 46%	86000	$6240 / $6780 46%	– / – 44%	0
0	–	– / $10.00 49%	87000	$7240 / $7860 49%	–	0
0	– / – 44%	– / $10.00 54%	88000	$8240 / $8860 54%	– / – 44%	0
0	–	– / $10.00 54%	89000	$9240 / $9760 54%	–	0
0	– / – 44%	– / $10.00 54%	90000	$10240 / $10860 54%	– / – 44%	0
0	– / – 44%	–	95000	–	– / – 44%	0