XBI — Put-Selling Research

by ThetaLoop Research
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SPDR S&P Biotech ETF
Healthcare · $133.28
2.0
/10
Weak Entry
Put-selling entry timing — not a stock rating.A strong long-term holding can still show a low score today (thin premium, extended trend, or turning momentum).
How this score works → Try the calculator ↓
Regime
Bullish
vs SMA200
SMA200 Distance
+18.6%
Above trend
Volatility
Normal
Average premiums
Momentum
Decelerating
Price direction
About SPDR S&P Biotech ETF
XBI tracks the S&P Biotech Select Industry index - equal-weighted across ~120 US biotech names. High realized volatility, mean-reverting on long horizons, premiums consistently rich. The de-facto biotech CSP vehicle; pairs with sector-tilted entries. Avoid selling puts during late-cycle FDA-news clustered weeks.
Market Cap
P/E Ratio
Dividend
0.35%
Beta
52-Week Range Current: $133.28
$75.68 $139.19

Bottom Line

XBI — at the 91st percentile of its 52-week range ($76–$139), the stock sits near the top of its yearly band. Strike distance below recent support carries more weight than strike distance just beneath current price.

Show technical breakdown

SPDR S&P Biotech ETF trades in bullish territory at $133.28, 18.6% above its 200-day moving average, yet the composite score of 2.0/10 flags caution. Surface trend stays positive; deeper indicators diverge — a pattern that has historically preceded pullbacks in the Healthcare sector.

20-day ATR on XBI is in the middle band. Paired with a bull regime, this produces the kind of steady-state tape where standard 30–45 DTE cycles have historically behaved consistently.

Momentum on XBI is decelerating — the prevailing trend's directional conviction is fading at $133.28. Decelerating momentum in the Healthcare sector has historically preceded sideways consolidation more often than clean reversals.

No extreme flags register on XBI at the current configuration. No imminent earnings event is scheduled. The balanced setup shifts the risk-management weight from timing to position sizing.

Based on end-of-day market data · Scored by ThetaLoop Research · AI use
XBI ranks #15 of 66 Healthcare tickers by put-selling score (619 total screened)

Position Size & Yield Calculator

Live model for XBI — drag any slider to recalculate. Strike defaults to ~5% OTM, snapped to typical exchange increments.
$
$
$
days
0
contracts you can write
Capital per Contract0%
$0
Premium Income
$0
per contract
Per-Day Theta
$0.00
if held to expiration
Annualized ROC
0.0%
return on collateral
📈At this pace: $0/year per contract if you roll continuously every 30 days

Cash-secured puts require holding cash equal to strike × 100 shares as collateral. Strike defaults to ~5% OTM, snapped to typical exchange increments. Premium defaults to ~2% of strike — adjust to your real expected fill. Annualized ROC = (premium ÷ collateral) × (365 ÷ DTE). CSP risk is single-name concentration: experienced put-sellers typically diversify across 4–6 underlyings rather than committing the whole account to one ticker. Continuous-rolling projections assume capital can be re-deployed after each expiration and that comparable premiums remain available — actual results vary with market conditions, assignments, and rolls.

This page is the research tool — you search any ticker, get the score, configure your own setup. The daily research picks today's actual setup with strike, expiry, and exit rules and delivers it via Telegram. See a sample · how the pipeline works
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📌 Embed this score on your blog
The XBI X-Ray score updates daily after market close. Embed it on any site, blog, or trading journal — completely free, no API key needed. The visible attribution line below the widget links back to ThetaLoop and helps the project grow.
<iframe src="https://thetaloop.app/widget/xray/XBI" width="400" height="460" frameborder="0" loading="lazy"></iframe> <p style="text-align:center;font-size:11px;margin-top:6px;font-family:sans-serif"><a href="https://thetaloop.app/xray/XBI">XBI X-Ray Score</a> by ThetaLoop</p>
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