DSI Butterfly Strategy

DSI (iShares ESG MSCI KLD 400 ETF), in the Financial Services sector, (Asset Management industry), listed on AMEX.

The iShares ESG MSCI KLD 400 ETF seeks to track the investment results of an index composed of U.S. companies that have positive environmental, social and governance characteristics as identified by the index provider.

DSI (iShares ESG MSCI KLD 400 ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $5.14B, a beta of 1.11 versus the broader market, a 52-week range of 108.46-141.59, average daily share volume of 170K, a public-listing history dating back to 2006. These structural characteristics shape how DSI etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of 1.11 places DSI roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. DSI pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.

What is a butterfly on DSI?

A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration.

Current DSI snapshot

As of May 15, 2026, spot at $141.13, ATM IV 14.30%, IV rank 1.07%, expected move 4.10%. The butterfly on DSI 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 butterfly structure on DSI specifically: DSI IV at 14.30% is on the cheap side of its 1-year range, which favors premium-buying structures like a DSI butterfly, with a market-implied 1-standard-deviation move of approximately 4.10% (roughly $5.79 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 DSI expiries trade a higher absolute premium for lower per-day decay. Position sizing on DSI should anchor to the underlying notional of $141.13 per share and to the trader's directional view on DSI etf.

DSI butterfly setup

The DSI butterfly below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With DSI near $141.13, the first option leg uses a $134.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed DSI 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 DSI shares for the stock leg in covered calls and collars).

ActionTypeStrike / BasisPremium (est)
Buy 1Call$134.00$8.30
Sell 2Call$141.00$2.70
Buy 1Call$146.00$0.69

DSI butterfly risk and reward

Net Premium / Debit
-$359.00
Max Profit (per contract)
$283.58
Max Loss (per contract)
-$359.00
Breakeven(s)
$137.59, $144.41
Risk / Reward Ratio
0.790

Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit.

DSI butterfly payoff curve

Modeled P&L at expiration across a range of underlying prices for the butterfly on DSI. 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 SpotP&L at Expiration
$0.01-100.0%-$359.00
$31.21-77.9%-$359.00
$62.42-55.8%-$359.00
$93.62-33.7%-$359.00
$124.82-11.6%-$359.00
$156.03+10.6%-$159.00
$187.23+32.7%-$159.00
$218.43+54.8%-$159.00
$249.64+76.9%-$159.00
$280.84+99.0%-$159.00

When traders use butterfly on DSI

Butterflies on DSI are pinning bets - traders use them when they expect DSI to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.

DSI thesis for this butterfly

The market-implied 1-standard-deviation range for DSI extends from approximately $135.34 on the downside to $146.92 on the upside. A DSI long call butterfly is a pinning play: it pays maximum at the middle strike if DSI settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current DSI IV rank near 1.07% 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 DSI at 14.30%. As a Financial Services name, DSI options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to DSI-specific events.

DSI butterfly positions are structurally neutral / pin (limited-risk, limited-reward); 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. DSI positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move DSI alongside the broader basket even when DSI-specific fundamentals are unchanged. Always rebuild the position from current DSI chain quotes before placing a trade.

Frequently asked questions

What is a butterfly on DSI?
A butterfly on DSI is the butterfly strategy applied to DSI (etf). The strategy is structurally neutral / pin (limited-risk, limited-reward): A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration. With DSI etf trading near $141.13, the strikes shown on this page are snapped to the nearest listed DSI chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
How are DSI butterfly max profit and max loss calculated?
Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit. For the DSI butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 14.30%), the computed maximum profit is $283.58 per contract and the computed maximum loss is -$359.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
What is the breakeven for a DSI butterfly?
The breakeven for the DSI butterfly priced on this page is roughly $137.59 and $144.41 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 DSI market-implied 1-standard-deviation expected move is approximately 4.10%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
When should you consider a butterfly on DSI?
Butterflies on DSI are pinning bets - traders use them when they expect DSI to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.
How does current DSI implied volatility affect this butterfly?
DSI ATM IV is at 14.30% with IV rank near 1.07%, 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.

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