BTC 15SEP26 Options Chain

BTC options expiring 15SEP26, 4 days out, with the forward at $77,002. Open interest is $9M in calls and $3M in puts, put/call 0.31, and max pain is $77,500. At-the-money implied volatility is 33.8%. 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.

Derive call	Deribit call	Strike	Deribit put	Derive put
$10847 / $13193 57%	–	65000	–	– / $19.00 57%
–	$8760 / $9300 57%	68000	$10.00 / $35.00 57%	–
–	$7780 / $8300 53%	69000	$20.00 / $40.00 53%	–
$6915 / $7165 49%	$6800 / $7320 49%	70000	$30.00 / $45.00 49%	$32.00 / $51.00 49%
–	$5800 / $6300 45%	71000	$50.00 / $65.00 45%	–
$4938 / $5207 43%	$4820 / $5320 42%	72000	$70.00 / $90.00 42%	$77.00 / $91.00 43%
–	$3880 / $4380 39%	73000	$110 / $130 39%	–
$3052 / $3361 37%	$2980 / $3440 37%	74000	$190 / $215 37%	$203 / $224 37%
–	$2440 / $3000 36%	74500	$260 / $285 36%	–
$2273 / $2482 35%	$2080 / $2580 35%	75000	$350 / $375 35%	$367 / $400 35%
–	$1700 / $2180 35%	75500	$470 / $495 35%	–
$1571 / $1717 33%	$1400 / $1800 34%	76000	$620 / $655 34%	$631 / $679 33%
–	$1280 / $1360 34%	76500	$800 / $855 34%	–
$1043 / $1112 33%	$1040 / $1100 34%	77000	$1020 / $1100 34%	$1025 / $1109 33%
–	$810 / $875 34%	77500	$1300 / $1380 34%	–
$635 / $683 34%	$630 / $690 34%	78000	$1460 / $1860 34%	$1604 / $1742 34%
–	$480 / $535 34%	78500	$1800 / $2200 34%	–
$374 / $407 35%	$370 / $415 35%	79000	$2160 / $2600 35%	$2318 / $2495 35%
–	$280 / $325 35%	79500	$2580 / $3020 35%	–
$215 / $247 37%	$210 / $250 36%	80000	$2980 / $3460 36%	$3125 / $3338 37%
$126 / $150 39%	$120 / $155 38%	81000	$3900 / $4360 38%	$3967 / $4242 39%
$77.00 / $100.00 41%	$70.00 / $100.00 40%	82000	$4840 / $5320 40%	$4927 / $5194 41%
–	$40.00 / $70.00 42%	83000	$5780 / $6400 42%	–
$34.00 / $51.00 45%	$30.00 / $55.00 44%	84000	$6800 / $7280 44%	$6897 / $7162 45%
$18.00 / $42.00 47%	$20.00 / $45.00 47%	85000	$7780 / $8300 47%	$7863 / $8109 47%
$13.00 / $31.00 49%	$10.00 / $35.00 50%	86000	$8740 / $9260 50%	$8903 / $9123 49%
– / $13.00 53%	–	90000	–	$11763 / $14264 53%
– / $6.00 53%	–	95000	–	$16313 / $19715 53%