MSC Industrial Direct (MSM) Options Chain
NYSE: MSMIndustrialsIndustrial Machinery/ComponentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $129.51
- Put/call ratio (OI)
- 16.72
- Put/call ratio (volume)
- 1.18
- Expected move
- ±$16.18
- Open interest (C / P)
- 60 / 1.00K
MSM options summary
The MSM options chain for the November 20, 2026 expiration lists 7 call and 3 put contracts, with 40 days until expiration. Open interest stands at 60 calls and 1,003 puts, a put/call ratio of 16.72, which is more bearish, with puts outnumbering calls. At-the-money implied volatility near the $130.00 strike is 37.7%, which implies the market expects a move of about ±$16.18 (12.5%) in MSC Industrial Direct stock by expiration.
The most open interest sits at the $145.00 call (16 contracts) and the $115.00 put (1.00K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MSM options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 20.70 | 24.20 | 26.70 | 105.00 | — | — | — | |||||
| 16.20 | 19.40 | 22.30 | 110.00 | — | — | — | |||||
| — | — | — | 115.00 | 0.75 | 1.55 | 1.40 | |||||
| 8.90 | 10.70 | 13.00 | 120.00 | 1.65 | 3.30 | 2.80 | |||||
| — | — | — | 125.00 | 3.10 | 5.00 | 5.50 | |||||
| 6.60 | 4.90 | 6.30 | 130.00 | — | — | — | |||||
| 4.60 | 2.85 | 4.10 | 135.00 | — | — | — | |||||
| 2.44 | 1.20 | 2.35 | 140.00 | — | — | — | |||||
| 1.24 | 0.00 | 1.50 | 145.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the MSM put/call ratio?
For the November 20, 2026 expiration, the MSM put/call ratio based on open interest is 16.72 (1,003 puts vs 60 calls), and 1.18 based on today's volume. A ratio above 1 means more puts than calls.
What is MSM's implied volatility?
At-the-money implied volatility for MSM options expiring November 20, 2026 is about 37.7%, an annualized estimate of how much the market expects MSC Industrial Direct stock to move.
How many MSM option expiration dates are there?
MSM has 4 listed expiration dates, from Oct 16, 2026 to Mar 19, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.