CSM Strangle Strategy
CSM (ProShares - Large Cap Core Plus), in the Financial Services sector, (Asset Management industry), listed on CBOE.
The fund invests in financial instruments that ProShare Advisors believes, in combination, should track the performance of the index. The index is designed to replicate an investment strategy that establishes either long or short positions in the stocks of 500 leading large-cap U.S. companies (the "Universe") by applying a rules-based ranking and weighting methodology. The fund is non-diversified.
CSM (ProShares - Large Cap Core Plus) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $500.5M, a beta of 1.00 versus the broader market, a 52-week range of 66.06-84.83, average daily share volume of 7K, a public-listing history dating back to 2009. These structural characteristics shape how CSM etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 1.00 places CSM roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. CSM pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a strangle on CSM?
A long strangle buys an OTM call and an OTM put at offset strikes, cheaper than a straddle but requiring a larger underlying move to profit since both wings start out-of-the-money.
Current CSM snapshot
As of May 15, 2026, spot at $84.43, ATM IV 15.30%, IV rank 0.62%, expected move 4.39%. The strangle on CSM below is built from the same end-of-day chain, with strikes snapped to listed contracts and premiums pulled from the bid/ask midpoint at a 34-day expiry.
Why this strangle structure on CSM specifically: CSM IV at 15.30% is on the cheap side of its 1-year range, which favors premium-buying structures like a CSM strangle, with a market-implied 1-standard-deviation move of approximately 4.39% (roughly $3.70 on the underlying). The 34-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated CSM expiries trade a higher absolute premium for lower per-day decay. Position sizing on CSM should anchor to the underlying notional of $84.43 per share and to the trader's directional view on CSM etf.
CSM strangle setup
The CSM strangle below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With CSM near $84.43, the first option leg uses a $89.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed CSM chain at a 34-day expiry; the cross-strike IV skew is reflected directly in the per-leg values rather than approximated. Quantity sizing assumes one contract per option leg (or 100 CSM shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $89.00 | $0.29 |
| Buy 1 | Put | $80.00 | $0.23 |
CSM strangle risk and reward
- Net Premium / Debit
- -$52.00
- Max Profit (per contract)
- Unbounded
- Max Loss (per contract)
- -$52.00
- Breakeven(s)
- $79.48, $89.52
- Risk / Reward Ratio
- Unbounded
Upside max profit is unbounded; downside max profit is bounded at the put strike minus the combined debit (reached at zero). Max loss equals the combined debit times 100 (reached anywhere between the two OTM strikes). Two breakevens at call-strike plus debit and put-strike minus debit.
CSM strangle payoff curve
Modeled P&L at expiration across a range of underlying prices for the strangle on CSM. Each row is one sampled price point from the computed payoff curve; the full curve uses 200 price points internally before being summarized into 10 rows here.
| Underlying Price | % From Spot | P&L at Expiration |
|---|---|---|
| $0.01 | -100.0% | +$7,947.00 |
| $18.68 | -77.9% | +$6,080.32 |
| $37.34 | -55.8% | +$4,213.63 |
| $56.01 | -33.7% | +$2,346.95 |
| $74.68 | -11.6% | +$480.27 |
| $93.34 | +10.6% | +$382.42 |
| $112.01 | +32.7% | +$2,249.10 |
| $130.68 | +54.8% | +$4,115.78 |
| $149.34 | +76.9% | +$5,982.47 |
| $168.01 | +99.0% | +$7,849.15 |
When traders use strangle on CSM
Strangles on CSM are the cheaper cousin of the straddle - traders use them when they want a large directional move but are willing to give up the inner-strike sensitivity in exchange for a lower up-front debit on the CSM chain.
CSM thesis for this strangle
The market-implied 1-standard-deviation range for CSM extends from approximately $80.73 on the downside to $88.13 on the upside. A CSM long strangle is the OTM cousin of the straddle: lower up-front cost but the underlying has to travel further past either OTM strike before the position turns profitable at expiration. Current CSM IV rank near 0.62% sits in the lower third of its 1-year distribution, where IV often re-expands toward the mean; this favors premium-buying structures and disadvantages premium-selling structures on CSM at 15.30%. As a Financial Services name, CSM options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to CSM-specific events.
CSM strangle positions are structurally neutral / high-volatility (long premium, OTM); the modeled P&L assumes European-style exercise at expiration and ignores early assignment, transaction costs, dividends paid before expiry on the stock leg (when present), and the bid-ask spread on the listed chain. CSM positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move CSM alongside the broader basket even when CSM-specific fundamentals are unchanged. Always rebuild the position from current CSM chain quotes before placing a trade.
Frequently asked questions
- What is a strangle on CSM?
- A strangle on CSM is the strangle strategy applied to CSM (etf). The strategy is structurally neutral / high-volatility (long premium, OTM): A long strangle buys an OTM call and an OTM put at offset strikes, cheaper than a straddle but requiring a larger underlying move to profit since both wings start out-of-the-money. With CSM etf trading near $84.43, the strikes shown on this page are snapped to the nearest listed CSM chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are CSM strangle max profit and max loss calculated?
- Upside max profit is unbounded; downside max profit is bounded at the put strike minus the combined debit (reached at zero). Max loss equals the combined debit times 100 (reached anywhere between the two OTM strikes). Two breakevens at call-strike plus debit and put-strike minus debit. For the CSM strangle priced from the end-of-day chain at a 30-day expiry (ATM IV 15.30%), the computed maximum profit is unbounded per contract and the computed maximum loss is -$52.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a CSM strangle?
- The breakeven for the CSM strangle priced on this page is roughly $79.48 and $89.52 at expiration, derived from end-of-day chain premiums. Breakeven is the underlying price at which the strategy's P&L crosses zero ignoring transaction costs and assignment risk. The current CSM market-implied 1-standard-deviation expected move is approximately 4.39%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a strangle on CSM?
- Strangles on CSM are the cheaper cousin of the straddle - traders use them when they want a large directional move but are willing to give up the inner-strike sensitivity in exchange for a lower up-front debit on the CSM chain.
- How does current CSM implied volatility affect this strangle?
- CSM ATM IV is at 15.30% with IV rank near 0.62%, which is on the low end of its 1-year range. Premium-buying structures (long call, long put, debit spreads) are relatively cheap in this regime; premium-selling structures collect less credit per unit risk.