MCRB · Seres Therapeutics, Inc.

Track MCRB — free Ask ALVIS about MCRB

$4.95 -0.02 (-0.30%)

Market Cap

$47.60M

9.59M

Options Chain

15-min delayed Underlying $4.95 · today Options Calculator

Positioning

Aug 21, 2026 · 25 days to expiry · 10 contracts

Put / call OI

0.15

Call-heavy positioning

Open interest

contracts outstanding

Volume

traded today

Max pain

$7.50

$2.56 above spot

ATM implied vol

138.1%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 25d Sep 18 53d Oct 16 81d Jan 15 172d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	252.3%	0.913	—		—	—	—	—	0
Call · $2.5 In the money Last — Breakeven — Implied vol 252.3% Delta 0.913 ≈91% ITM Gamma 0.049 Theta -0.011 Vega 0.002 Open interest 0 Model this call Put · $2.5 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
Underlying $4.95
2	2	172.5%	0.577	$2.48		$0.25	-0.468	103.6%	1	1
Call · $5 Last $2.48 Breakeven $7.48 Implied vol 172.5% Delta 0.577 ≈58% ITM Gamma 0.179 Theta -0.018 Vega 0.005 Open interest 2 Model this call Put · $5 In the money Last $0.25 Breakeven $4.75 Implied vol 103.6% Delta -0.468 ≈47% ITM Gamma 0.302 Theta -0.01 Vega 0.005 Open interest 1 Model this put
43	1	169.4%	0.236	$0.60		$2.32	-0.954	92.7%	2	4
Call · $7.5 Last $0.60 Breakeven $8.10 Implied vol 169.4% Delta 0.236 ≈24% ITM Gamma 0.141 Theta -0.014 Vega 0.004 Open interest 43 Model this call Put · $7.5 In the money Last $2.32 Breakeven $5.18 Implied vol 92.7% Delta -0.954 ≈95% ITM Gamma 0.094 Theta -0.002 Vega 0.001 Open interest 4 Model this put
17	11	275%	0.268	$0.40		$2.90	—	—	1	3
Call · $10 Last $0.40 Breakeven $10.40 Implied vol 275% Delta 0.268 ≈27% ITM Gamma 0.092 Theta -0.023 Vega 0.005 Open interest 17 Model this call Put · $10 In the money Last $2.90 Breakeven $7.10 Implied vol — Delta — Gamma — Theta — Vega — Open interest 3 Model this put
0	—	324.9%	0.246	—		$5.90	—	—	1	1
Call · $12.5 Last — Breakeven — Implied vol 324.9% Delta 0.246 ≈25% ITM Gamma 0.076 Theta -0.027 Vega 0.005 Open interest 0 Model this call Put · $12.5 In the money Last $5.90 Breakeven $6.60 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1609809 CUSIP 81750R201 13F (30d) 2 filings 2 filers Visit website Investor relations