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BLLN — BillionToOne, Inc. Class A Common Stock

Nasdaq

BillionToOne, Inc. Class A Common Stock

CompareBack to Screener
$105.90
+0.14(+0.13%)
O
106.39
H
109.38
L
102.91
V
414.78K
⏱️ End-of-day dataAs of Oct 2, 2026
OverviewStatisticsFinancialsHistorical DataOptionsDividend HistoryNewsChart
Underlying Price$105.90
Implied Volatility (IV)0.7%
Put / Call Ratio29.17
Total Options Volume362
Total Open Interest1.7K
Selected Expiration2026-10-16

BLLN

Options Calculator
Expiration
CALLSSTRIKEPUTS
CalculatorLastChg% ChgBidAskVolOIIVStrikeLastChg% ChgBidAskVolOIIVCalculator
$15.68+0.00-$10.10$13.70-120.6%$95.00$1.25+0.00-$0.40$2.10-70.7%
$13.80+0.00-$6.30$10.00-1130.6%$100.00$2.40+0.00-$1.10$4.70-720.6%
$19.88+0.00-$4.20$6.20-2300.6%$105.00ATM$3.70+0.00-$2.50$5.00-1660.5%
$4.30-0.10-$1.20$4.9011490.6%$110.00$5.20-1.30-$6.10$9.303750.6%
$2.35-0.55-$0.00$4.1051250.6%$115.00$9.70+0.00-$9.50$12.80-50.7%

Open Interest & Max Pain

2026-10-16
Max Pain$105.00-0.8% vs price
Call Open Interest1.2K
Put Open Interest508
Put / Call (Open Interest)0.41
CallsPutsPrice $105.90Max painTop of chart = 436 contracts
85
90
95
100
105Max pain $105
110
115
120
125

Max pain is the strike where the open options would be worth the least at expiration, i.e. where option buyers as a group would lose the most. The chart shows strikes within 20% of the price. Open interest is from the last end-of-day update.