How are SPTL 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 SPTL bull call spread priced from the end-of-day chain at a 30-day expiry (ATM IV 8.20%), the computed maximum profit is $143.50 per contract and the computed maximum loss is -$56.50 per contract. Live intraday quotes will differ as the chain moves through the trading session.

What is the breakeven for a SPTL bull call spread?

The breakeven for the SPTL bull call spread priced on this page is roughly $25.57 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 SPTL market-implied 1-standard-deviation expected move is approximately 2.35%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.

How does current SPTL implied volatility affect this bull call spread?

SPTL ATM IV is at 8.20% with IV rank near 1.11%, 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.

SPTL Bull Call Spread Strategy

SPTL (State Street SPDR Portfolio Long Term Treasury ETF), in the Financial Services sector, (Asset Management industry), listed on AMEX.

The State Street SPDR Portfolio Long Term Treasury ETF seeks to provide investment results that, before fees and expenses, correspond generally to the price and yield performance of the Bloomberg Long U.S. Treasury Index (the "Index")One of the low cost core State Street SPDR Portfolio ETFs, a suite of portfolio building blocks designed to provide broad, diversified exposure to core asset classesA low cost ETF that seeks to offer precise, comprehensive exposure to US Treasuries with remaining maturities of 10 or more yearsMay be more sensitive to interest rate fluctuations than vehicles with shorter duration, and is market cap weighted and reconstituted on the last business day of the month

SPTL (State Street SPDR Portfolio Long Term Treasury ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $10.39B, a beta of 2.23 versus the broader market, a 52-week range of 25.17-27.7, average daily share volume of 7.4M, a public-listing history dating back to 2007. These structural characteristics shape how SPTL etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.

A beta of 2.23 indicates SPTL has historically moved more than the broader market, amplifying both the directional payoff and the realized volatility relative to an index-equivalent position. SPTL pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.

What is a bull call spread on SPTL?

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 SPTL snapshot

As of May 15, 2026, spot at $25.45, ATM IV 8.20%, IV rank 1.11%, expected move 2.35%. The bull call spread on SPTL 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 bull call spread structure on SPTL specifically: SPTL IV at 8.20% is on the cheap side of its 1-year range, which favors premium-buying structures like a SPTL bull call spread, with a market-implied 1-standard-deviation move of approximately 2.35% (roughly $0.60 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 SPTL expiries trade a higher absolute premium for lower per-day decay. Position sizing on SPTL should anchor to the underlying notional of $25.45 per share and to the trader's directional view on SPTL etf.

SPTL bull call spread setup

The SPTL 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 SPTL near $25.45, the first option leg uses a $25.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed SPTL 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 SPTL shares for the stock leg in covered calls and collars).

Action	Type	Strike / Basis	Premium (est)
Buy 1	Call	$25.00	$0.58
Sell 1	Call	$27.00	$0.01

SPTL bull call spread risk and reward

Net Premium / Debit: -$56.50
Max Profit (per contract): $143.50
Max Loss (per contract): -$56.50
Breakeven(s): $25.57
Risk / Reward Ratio: 2.540

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.

SPTL bull call spread payoff curve

Modeled P&L at expiration across a range of underlying prices for the bull call spread on SPTL. 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%	-$56.50
$5.64	-77.9%	-$56.50
$11.26	-55.7%	-$56.50
$16.89	-33.6%	-$56.50
$22.51	-11.5%	-$56.50
$28.14	+10.6%	+$143.50
$33.77	+32.7%	+$143.50
$39.39	+54.8%	+$143.50
$45.02	+76.9%	+$143.50
$50.64	+99.0%	+$143.50

When traders use bull call spread on SPTL

Bull call spreads on SPTL reduce the cost of a bullish SPTL etf position by selling a higher-strike call; suited to moderate-move theses where price reaches but does not vastly exceed the short strike.

SPTL thesis for this bull call spread

The market-implied 1-standard-deviation range for SPTL extends from approximately $24.85 on the downside to $26.05 on the upside. A SPTL bull call spread caps both the risk and the reward of a bullish position; relative to an outright long call on SPTL, the spread reduces the cost basis but limits the maximum profit to the strike width minus net debit. Current SPTL IV rank near 1.11% 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 SPTL at 8.20%. As a Financial Services name, SPTL options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to SPTL-specific events.

SPTL 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. SPTL positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move SPTL alongside the broader basket even when SPTL-specific fundamentals are unchanged. Long-premium structures like a bull call spread on SPTL 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 SPTL chain quotes before placing a trade.

Frequently asked questions

What is a bull call spread on SPTL?: A bull call spread on SPTL is the bull call spread strategy applied to SPTL (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 SPTL etf trading near $25.45, the strikes shown on this page are snapped to the nearest listed SPTL chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
How are SPTL 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 SPTL bull call spread priced from the end-of-day chain at a 30-day expiry (ATM IV 8.20%), the computed maximum profit is $143.50 per contract and the computed maximum loss is -$56.50 per contract. Live intraday quotes will differ as the chain moves through the trading session.
What is the breakeven for a SPTL bull call spread?: The breakeven for the SPTL bull call spread priced on this page is roughly $25.57 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 SPTL market-implied 1-standard-deviation expected move is approximately 2.35%; 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 SPTL?: Bull call spreads on SPTL reduce the cost of a bullish SPTL 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 SPTL implied volatility affect this bull call spread?: SPTL ATM IV is at 8.20% with IV rank near 1.11%, 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.