# FULCRUM THERAPEUTICS INC. COMM (FULC) Option Chains

> FULC option chain: calls and puts by expiration with bid, ask, last and theoretical price, volume, open interest, implied volatility and Greeks.

Data as of Nov 9, 2026 (end of day).

## FULC quote

| Field | Value |
|---|---|
| Last | 3.72 |
| Change | +0.02 |
| Open | 3.71 |
| Previous | 3.70 |
| High | 3.75 |
| Low | 3.69 |
| Bid | - |
| Ask | - |
| Volume | 1,295,903 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 0.0% |
| Hist Vol | 102.3% |
| Opt Volume | 10 |
| Open Int | 18,617 |

Calls and puts, near-the-money strikes, expirations through the end of the second month out. Stock price: 3.72.

All expirations: 2026-11-20, 2026-12-18, 2027-01-15, 2027-03-19, 2027-06-17.

**Price** is the last trade, **TPrice** the theoretical value (Black-Scholes on historical volatility), **IVol** the implied volatility. **NS** is the contract type: S standard, W weekly, Q quarterly, FR fixed return, NS non-standard (adjusted). A contract's daily price history: `/quotes/option-prices.md?optsym=<Symbol>`.

Change the view with query parameters: `expirations` (1, 2, 3, 6, 9 or -1 for all), `expiry` (YYYY-MM-DD, one expiration), `range` (ntm, otm, itm, all), `putcall` (C, P), `strike` (one strike across expirations), `date` (an earlier session, subscribers). Example: `/quotes/stock-option-chains/FULC.md?expirations=-1&range=all`.

## Expires Nov 20, 2026

### Calls

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 4.00 | FULC 261120C00004000 | 0.00 | 0.75 | 0.01 | 0.15 | 0 | 20 | 32.32% | 0.1030 | -0.0017 | 0.0012 | 0.8591 | 0.0001 | S |

### Puts

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 4.00 | FULC 261120P00004000 | 0.00 | 3.60 | 0.50 | 0.42 | 0 | 1 | 128.26% | -0.5849 | -0.0147 | 0.0025 | 0.4707 | -0.0008 | S |

## Expires Dec 18, 2026

### Calls

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 1.00 | FULC 261218C00001000 | 0.60 | 4.90 | 2.85 | 2.76 | 0 | 3 | 355.63% | 0.9570 | -0.0052 | 0.0011 | 0.0213 | 0.0008 | S |
| 2.00 | FULC 261218C00002000 | 0.00 | 4.30 | 1.81 | 1.81 | 0 | 1 | 165.12% | 0.9227 | -0.0038 | 0.0018 | 0.0725 | 0.0017 | S |
| 3.00 | FULC 261218C00003000 | 0.00 | 3.80 | 1.00 | 0.98 | 0 | 3 | 131.15% | 0.7637 | -0.0063 | 0.0038 | 0.1935 | 0.0020 | S |
| 4.00 | FULC 261218C00004000 | 0.00 | 0.10 | 0.05 | 0.44 | 0 | 4,262 | 29.79% | 0.2446 | -0.0015 | 0.0038 | 0.8672 | 0.0009 | S |
| 5.00 | FULC 261218C00005000 | 0.00 | 1.00 | 0.05 | 0.18 | 0 | 113 | 71.77% | 0.1269 | -0.0023 | 0.0025 | 0.2384 | 0.0005 | S |

### Puts

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 2.00 | FULC 261218P00002000 | 0.00 | 0.70 | 0.15 | 0.01 | 0 | 1 | 196.31% | -0.0988 | -0.0053 | 0.0021 | 0.0729 | -0.0006 | S |
| 3.00 | FULC 261218P00003000 | 0.00 | 0.95 | 0.04 | 0.13 | 0 | 219 | 57.89% | -0.1087 | -0.0017 | 0.0023 | 0.2649 | -0.0005 | S |
| 4.00 | FULC 261218P00004000 | 0.00 | 0.95 | 0.30 | 0.56 | 0 | 130 | 21.61% | -0.8383 | -0.0008 | 0.0030 | 0.9343 | -0.0037 | S |
| 7.00 | FULC 261218P00007000 | 1.20 | 5.40 | 3.30 | 3.02 | 0 | 11 | 105.71% | -0.9515 | -0.0016 | 0.0012 | 0.0789 | -0.0073 | S |

## Expires Jan 15, 2027

### Calls

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 1.00 | FULC 270115C00001000 | 0.60 | 4.90 | 2.52 | 2.84 | 0 | 2 | 263.48% | 0.9594 | -0.0029 | 0.0014 | 0.0213 | 0.0013 | S |
| 2.00 | FULC 270115C00002000 | 0.00 | 2.75 | 2.98 | 1.98 | 0 | 180 | 184.99% | 0.8823 | -0.0044 | 0.0032 | 0.0675 | 0.0024 | S |
| 3.00 | FULC 270115C00003000 | 0.20 | 1.35 | 0.79 | 1.24 | 0 | 186 | 52.26% | 0.8607 | -0.0015 | 0.0036 | 0.2681 | 0.0044 | S |
| 4.00 | FULC 270115C00004000 | 0.00 | 0.95 | 0.14 | 0.73 | 0 | 105 | 38.60% | 0.3643 | -0.0017 | 0.0060 | 0.6111 | 0.0022 | S |
| 5.00 | FULC 270115C00005000 | 0.00 | 15.00 | 0.05 | 0.41 | 0 | 309 | 54.65% | 0.1272 | -0.0014 | 0.0033 | 0.2394 | 0.0008 | S |
| 6.00 | FULC 270115C00006000 | 0.00 | 15.00 | 0.21 | 0.23 | 0 | 1 | 116.58% | 0.2408 | -0.0043 | 0.0050 | 0.1677 | 0.0013 | S |

### Puts

| Strike | Symbol | Bid | Ask | Price | TPrice | Vol | OI | IVol | Delta | Theta | Vega | Gamma | Rho | NS |
|---:|---|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---:|---|
| 3.00 | FULC 270115P00003000 | 0.00 | 15.00 | 0.05 | 0.17 | 0 | 820 | 47.55% | -0.1223 | -0.0011 | 0.0032 | 0.2677 | -0.0009 | S |
| 4.00 | FULC 270115P00004000 | 0.00 | 0.40 | 0.45 | 0.53 | 0 | 2,260 | 57.37% | -0.5671 | -0.0026 | 0.0063 | 0.4308 | -0.0048 | S |
| 5.00 | FULC 270115P00005000 | 0.00 | 4.10 | 1.40 | 1.09 | 0 | 100 | 73.44% | -0.7829 | -0.0025 | 0.0047 | 0.2521 | -0.0079 | S |

## More for FULC

- [Quote](https://www.optionistics.com/quotes/stock-quotes/FULC.md)
- [Option chain](https://www.optionistics.com/quotes/stock-option-chains/FULC.md)
- [Price history](https://www.optionistics.com/quotes/stock-prices/FULC.md)
- [10 day snapshot](https://www.optionistics.com/snapshot.md?symbol=FULC)
- [Strike Pegger (max pain)](https://www.optionistics.com/quotes/strike-pegger/FULC.md)
- [Volatility skew](https://www.optionistics.com/screener/volatility-skew/FULC.md)
- [Put/call ratio](https://www.optionistics.com/screener/put-call-ratio/FULC.md)
- [Trade finder](https://www.optionistics.com/screener/stock-trade-finder/FULC.md)

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