ZSL Bull Call Spread Strategy
ZSL (ProShares - UltraShort Silver), in the Financial Services sector, (Asset Management - Leveraged industry), listed on AMEX.
ProShares UltraShort Silver seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance the Bloomberg Silver SubindexSM.
ZSL (ProShares - UltraShort Silver) trades in the Financial Services sector, specifically Asset Management - Leveraged, with a market capitalization of approximately $2.8M, a beta of -1.19 versus the broader market, a 52-week range of 14.4-330, average daily share volume of 10.5M, a public-listing history dating back to 2008. These structural characteristics shape how ZSL etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of -1.19 indicates ZSL has historically moved less than the broader market, dampening realized volatility and producing tighter expected-move bands per unit of dollar exposure.
What is a bull call spread on ZSL?
A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width.
Current ZSL snapshot
As of May 15, 2026, spot at $19.72, ATM IV 104.61%, IV rank 39.23%, expected move 29.99%. The bull call spread on ZSL 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 28-day expiry.
Why this bull call spread structure on ZSL specifically: ZSL IV at 104.61% is mid-range versus its 1-year history, so strategy selection should anchor more to the directional thesis than to the IV regime, with a market-implied 1-standard-deviation move of approximately 29.99% (roughly $5.91 on the underlying). The 28-day window matched to the front-month expiry keeps theta exposure bounded while still capturing the post-snapshot move; longer-dated ZSL expiries trade a higher absolute premium for lower per-day decay. Position sizing on ZSL should anchor to the underlying notional of $19.72 per share and to the trader's directional view on ZSL etf.
ZSL bull call spread setup
The ZSL bull call spread below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With ZSL near $19.72, the first option leg uses a $19.50 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed ZSL chain at a 28-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 ZSL shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $19.50 | $1.73 |
| Sell 1 | Call | $20.50 | $1.88 |
ZSL bull call spread risk and reward
- Net Premium / Debit
- +$15.00
- Max Profit (per contract)
- $115.00
- Max Loss (per contract)
- $15.00
- Breakeven(s)
- None on modeled curve
- Risk / Reward Ratio
- 7.667
Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-call strike plus net debit.
ZSL bull call spread payoff curve
Modeled P&L at expiration across a range of underlying prices for the bull call spread on ZSL. 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 | -99.9% | +$15.00 |
| $4.37 | -77.8% | +$15.00 |
| $8.73 | -55.7% | +$15.00 |
| $13.09 | -33.6% | +$15.00 |
| $17.45 | -11.5% | +$15.00 |
| $21.81 | +10.6% | +$115.00 |
| $26.16 | +32.7% | +$115.00 |
| $30.52 | +54.8% | +$115.00 |
| $34.88 | +76.9% | +$115.00 |
| $39.24 | +99.0% | +$115.00 |
When traders use bull call spread on ZSL
Bull call spreads on ZSL reduce the cost of a bullish ZSL etf position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.
ZSL thesis for this bull call spread
The market-implied 1-standard-deviation range for ZSL extends from approximately $13.81 on the downside to $25.63 on the upside. A ZSL bull call spread caps both the risk and the reward of a bullish position; relative to an outright long call on ZSL, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current ZSL IV rank near 39.23% is mid-range against its 1-year distribution, so the IV signal is neutral; the bull call spread thesis on ZSL should anchor more to the directional view and the expected-move geometry. As a Financial Services name, ZSL options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to ZSL-specific events.
ZSL bull call spread positions are structurally moderately bullish; 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. ZSL positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move ZSL alongside the broader basket even when ZSL-specific fundamentals are unchanged. Long-premium structures like a bull call spread on ZSL are particularly exposed to IV-crush risk through scheduled events (earnings, FDA decisions, central-bank meetings) where IV typically contracts post-event regardless of the directional outcome. Always rebuild the position from current ZSL chain quotes before placing a trade.
Frequently asked questions
- What is a bull call spread on ZSL?
- A bull call spread on ZSL is the bull call spread strategy applied to ZSL (etf). The strategy is structurally moderately bullish: A bull call spread buys an at-the-money call and sells an out-of-the-money call at a higher strike for defined risk and defined reward bounded by the strike width. With ZSL etf trading near $19.72, the strikes shown on this page are snapped to the nearest listed ZSL chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are ZSL bull call spread max profit and max loss calculated?
- Max profit equals strike width minus net debit times 100; max loss equals net debit times 100. Breakeven is long-call strike plus net debit. For the ZSL bull call spread priced from the end-of-day chain at a 30-day expiry (ATM IV 104.61%), the computed maximum profit is $115.00 per contract and the computed maximum loss is $15.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a ZSL bull call spread?
- The breakeven for the ZSL bull call spread priced on this page is no defined breakeven on the modeled curve 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 ZSL market-implied 1-standard-deviation expected move is approximately 29.99%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a bull call spread on ZSL?
- Bull call spreads on ZSL reduce the cost of a bullish ZSL etf position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.
- How does current ZSL implied volatility affect this bull call spread?
- ZSL ATM IV is at 104.61% with IV rank near 39.23%, which is mid-range against its 1-year history. Strategy selection depends more on directional thesis and expected move than on a strong IV signal.