P/L Curve — Three Time Horizons

NASA Jan 21 '28 30/15 Bull Call Spread P/L curve at three time horizons. Long 15C / Short 30C. Net debit $6.10 ($610/contract), max profit $890 above $30 at expiry, max loss $610 below $15. Spot $23.61, ~548 DTE, ~62% IV.
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Max Profit

$890.00

above $30 at expiry

Max Loss

$610.00

defined risk = net debit

Net Debit

$6.10

1 spread · $610 total

Spot / IV

$23.61

NASA @ entry · IV ~62%

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Why This Structure

The trade expresses a directional view with a defined ceiling and floor. The 30/15 width captures the upside move from a $23.61 spot to a $30 strike while capping the debit at $6.10 — half the cost of buying the 30C outright ($4.80) plus the protection of owning the deep ITM 15C for downside cushion. The structure is essentially "long the upside in the $15–$30 corridor for $610."

Why a bull call vertical rather than a long 30C alone? The standalone 30C costs $480 (1 contract) and caps profit at the difference between spot and the strike. The spread costs $610 and pays up to $890 — same downside exposure capped at $610, but $410 more upside. The 15C leg is a "disposable hedge" that converts if the trade goes against; it's there to give the trade a defined floor.

Why 18 months out rather than 3 or 6? Two reasons. First, the IV surface is steep — 62% on a 548-DTE LEAP vs ~50% on a 90-DTE — so paying less time premium (relatively) is favorable for a debit structure. Second, the long-dated call has lower theta bleed during the holding period; this trade loses ~$0.95/day vs ~$3/day for a comparable 90-DTE call.

Thesis

  • Why NASA, why now: Space-themed equity exposure without single-name risk. The ETF holds a basket of space-infrastructure and space-economy names, providing diversified beta to the sector rather than a single-stock blowup risk. Spot at $23.61 is 45% off its 52-week high of $42.68 — the entry is in the lower third of the recent range, which improves the probability of a positive return at expiration.
  • Why bull call spread over alternatives: A long 30C naked costs $480 (less debit than the spread) but caps profit at $480 regardless of how high NASA goes — losing upside beyond $30. A long 15C costs $1,090 (more debit than the spread) and gives unlimited upside but no defined risk — could lose $1,090 if NASA drops to zero. A diagonal call spread would harvest time decay but requires active management of the short leg. The vertical captures the most-likely price corridor for an 18-month hold while defining the downside.
  • Why not the existing Jan 15 '27 25/20 bull put spread: That trade is a short-premium income play on the same underlying — short vol with a $25 floor. This trade is a long-debit upside play — long vol with a $30 ceiling. The two are complementary: the short put collects theta; the long call captures directional beta. They overlap in P&L space (both benefit from NASA holding above $25) but the call spread is the cleaner upside expression.

Risk

RiskMagnitudeMitigation
NASA drops below $15Full $610 lossStop at $14 close; the 15C goes to near-zero intrinsic
NASA stays between $15–$21.10Partial loss, scale $0–$610Hold through volatility; LEAP theta is favorable
NASA closes between $21.10–$30Profit, scale $0–$890Take 50% at max profit, roll the rest
NASA closes above $30$890 max profit (capped)Consider closing at expiry for full $890 capture
Scenario 4: early assignment on short 30CPossible if 30C goes ITMAmerican-style equity option; avoid ex-div windows; close short ITM leg if needed
Scenario 5: IV crushCould reduce the long leg by $1–$3/share even with no spot moveLong-dated; IV crush risk lower than short-dated structures
Scenario 6: low liquidity (TIER 3 ETF)Bid/ask spread on 30C is $1.00 wide (4.3%); 15C is $3.80 wide (35%)Use limit orders; avoid market orders; wide spread already factored into debit

Position Payoff at Three Time Horizons

The chart shows the P/L curve at three evaluation windows. The blue line is the current ~548-DTE curve — the spread is already profitable above $21.10 even with 18 months of time decay ahead, because both legs carry so much time premium. The green dashed line at ~274 DTE shows the curve after roughly half the time premium has decayed; the slope steepens between $21.10 and $30. The red dotted line at ~90 DTE is the back-end curve: the spread becomes nearly a digital payout, with profit locked in above $30 and loss locked in below $15.

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Key levels on the chart:

  • Spot $23.61 — current underlying price.
  • Long strike $15.00 — deep ITM; the long leg already has $8.61 of intrinsic value.
  • Short strike $30.00 — OTM by 27.1%; the short leg still has $4.80 of time premium to erode.
  • Breakeven $21.10 — long strike + net debit.
  • Max profit $890.00 — closes at expiration with NASA above $30.
  • Max loss $610.00 — closes at expiration with NASA below $15.

Greeks Snapshot (Black-Scholes)

Greek Per-contract value Interpretation
Delta (Δ) +0.35 Net long delta. Long 15C ≈ +0.85, short 30C ≈ −0.50. Position benefits ~$35 per $1 NASA rise.
Gamma (Γ) +0.012 Long gamma (both legs); position benefits from large moves in either direction.
Theta (Θ) −$0.95/day Daily time decay. Favorable compared to short-dated structures (90-DTE long call would lose ~$3/day).
Vega (ν) +$2.10 per 1% IV Long vega. Position benefits if implied volatility rises; loses if IV crushes.
Rho (ρ) +$0.85 per 1% rate Mild long rates. Rates at ~4.5% are stable; minor impact.

Numbers computed at entry spot, current DTE, IV surface anchored at entry IV, r=4.5%, no dividend yield. Per-contract = per-share × 100.

Intraday Setup (entry)

  • Pre-market context: NASA closed Jul 21 at $22.89 with 5-day realized vol of ~38% and 30-day implied vol at ~60%. The 548-DTE LEAP chain was 0.5–1.5 points wide on the 15C side and 0.5–1.0 points wide on the 30C side; wider than SPX/XSP but typical for TIER 3 single-sector ETFs.
  • Entry signal: Spot at $23.61 — between the long leg (well ITM) and the short leg (well OTM). The spread width covers 64% of the spot move-to-strike range. IV rank ~62% is high but reflects the sector volatility, not a one-time event.
  • Execution: Limit order at $6.10 debit (OptionStrat basis). Filled mid-day at 1:48 PM ET. Slippage = 0 (filled at the bid).
  • Position size check: $610 max loss = 0.20% of $300k book. Below the 0.25% per-trade cap. Held for an 18-month horizon — time premium erosion is gradual, not back-end loaded.

Management Plan

  • Open through Q4 2026 (~100 DTE remaining): Hold. Theta is favorable, IV crush risk is minimal on long-dated structures. Review at the 1-year mark (Jul 2027) for take-profit on the first half.
  • Q4 2026 → Q3 2027 (~100–300 DTE): Watch the spot-to-strike corridor. If NASA closes above $28 in any monthly bar, consider closing the short 30C leg to lock in some upside and convert to a wider upside structure.
  • Q4 2027 (last 90 DTE): Take 50% of max profit ($445/contract) OR close before 30 DTE if OTM. Never let a LEAPS structure go to expiration with theta accelerating on the wings.
  • Stop loss: 2× debit ($1,220/contract cost to close) OR NASA closes below $14 at any point. The structure has a defined maximum loss at $610, so 2× debit is the "I'm wrong about the trade" exit.

Status

DateNASA PricePosition ValueP&LNotes
2026-07-22 (entry)$23.61$610Opened. 1 bull call spread @ $6.10 debit. IV ~62%.

Outcome

548 DTE target (Jul 22 2026 → Jan 21 2028)Open — review at 1-year mark, take 50% if profit ≥ $445/contract.
MetricValue
Realized P&LOpen trade — to be filled at expiration or earlier management action
Holding time
Net theta capturedTBD — captured at close. Target ≥60% of $0.95/day bleed across the hold.
Remaining premiumTBD — both legs expire worthless if NASA closes below $15 or above $30.
Hit target?

Lessons

  • What worked: The long-dated LEAP was the right structure for the thesis. The 18-month hold captures the steep IV surface (62% → ~50% expected at 90 DTE) without back-end theta acceleration. The 30/15 width puts the structure squarely in the middle of the recent price range.
  • What I'd do differently: The 15C bid/ask spread of $3.80 is wide (35% of mid); filling at the bid worked but a limit order $0.50 below mid would have saved $50. For TIER 3 ETFs, always check the bid/ask before sizing — the spread is already a real cost.
  • Vol surface behavior: The IV of 62% on a 548-DTE LEAP is high relative to historical SPX LEAPs (~30–40%). This is a feature of single-theme ETFs — the option market prices in continued volatility because the basket is concentrated. For long-debit structures, this is acceptable because the wide spread also means a wider profit corridor.
  • Theta math: At $0.95/day, this trade loses $174 over the first 6 months of holding. That sounds like a lot, but it's roughly 28% of the max loss — the same loss profile as a 90-DTE call held to expiration. Long-dated calls are not "cheaper" to hold; they just spread the decay over more days.
  • For the playbook: The $610 risk / 0.20% of book / 18-month hold combination is a useful template for low-conviction directional plays. The wide spread gives time for the thesis to play out without active management. For higher-conviction plays, a shorter-dated structure (60–90 DTE) would still be preferable.
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