Target Price Playground
REGN
$927.89
🟢
REGN IV: 36.7% — LOW
(-49.8% vs 30d avg of 73.1%)
Options are cheap vs 30d avg — good time to BUY options (long calls/puts, debit spreads).
Forward Projection
If price hits $1040 by Dec 18
Historical Backtest
Coming soon
Signal Backtest
Coming soon
📋 Strategy
Long Stock
Long Call
Long Put
Bull Call Spread
Bear Put Spread
Covered Call
Protective Put
Cash-Secured Put
Diagonal Put Spread
Long Straddle
Bullish. Unlimited upside, capped loss = premium paid.
🎯 Target
48d from today
⚙️ Legs
LONG CALL · $930 · Dec '26
Qty 1 · Premium $43.75 · Δ 0.53
P&L at Expiry
Stock (100 sh)
Long Call
Now
Target
💡 Stock vs Options at Target
If REGN hits $1040 by Dec 18: the long call returns +$6,625 (151.4%) on $4,375 risked, vs +$11,211 (12.1%) for 100 shares on $92,789. Options give 12.5× capital efficiency.
📅 Expiry
Options expire Dec 18, 2026 (48 days out). P&L shown is the value at expiry if REGN is at $1040. Use the 30d / 60d / 90d / 180d pills to compare different expiries.
📊 Projected Return
P&L if REGN hits $1040 by Dec 18
+$6,625
+151.4% on $4,375 risked
Max Profit
Unlimited
Unlimited upside
Max Loss
−$4,375
Premium paid
Break-even
$973.75
+4.94% from spot
Prob. of Target Hit
36%
IV-implied, 48d (rough)
Net Δ / Θ / V
52.84 / -51.3 / 134.1
per spread, per $1 move / day / vol pt
📋 Notes for each mode (not shown on real page)
Forward Projection
Reprices legs at (target_price, target_date) via Black-Scholes. Works on existing BS service. Simplest mode — ship first.
Reprices legs at (target_price, target_date) via Black-Scholes. Works on existing BS service. Simplest mode — ship first.
Historical Backtest
Uses our historical options chains to replay this exact strategy over past expirations. Needs: date picker, "rolling every N days", cumulative P&L chart.
Uses our historical options chains to replay this exact strategy over past expirations. Needs: date picker, "rolling every N days", cumulative P&L chart.
Signal Backtest
"Run this strategy on every BUY-rated stock with score ≥ 80 for last 90d." Reuses score_backtest pipeline + strategy overlay.
"Run this strategy on every BUY-rated stock with score ≥ 80 for last 90d." Reuses score_backtest pipeline + strategy overlay.
Solve for Return
Inverse: user says "+50% in 90d", system solves for required price move, shows IV-implied probability. Pure math.
Inverse: user says "+50% in 90d", system solves for required price move, shows IV-implied probability. Pure math.
📊 P&L Scenarios — what happens at different prices and dates
| REGN Price | Today | Nov 16 | Dec 2 | Dec 18 (exp) |
|---|---|---|---|---|
| $742 (-20%) | -$4,162 | -$4,312 | -$4,372 | -$4,375 |
| $789 (-15%) | -$3,759 | -$4,107 | -$4,338 | -$4,375 |
| $835 (-10%) | -$2,926 | -$3,539 | -$4,127 | -$4,375 |
| $882 (-5%) | -$1,490 | -$2,346 | -$3,362 | -$4,375 |
| $909 (-2%) | -$295 | -$1,242 | -$2,437 | -$4,375 |
| $928 (0%) ← spot | +$645 | -$332 | -$1,582 | -$4,375 |
| $946 (+2%) | +$1,698 | +$715 | -$533 | -$2,730 |
| $974 (+5%) | +$3,475 | +$2,527 | +$1,376 | +$53 |
| $1021 (+10%) | +$6,903 | +$6,097 | +$5,247 | +$4,693 |
| $1040 (+12%) ← target | +$8,475 | +$7,743 | +$7,026 | +$6,625 |
| $1067 (+15%) | +$10,789 | +$10,164 | +$9,613 | +$9,332 |
| $1113 (+20%) | +$14,992 | +$14,530 | +$14,176 | +$13,972 |
Uses REGN's current IV for repricing. P&L includes all legs (stock + options). Qty: 1x.