GDXJ Butterfly Strategy
GDXJ (VanEck Junior Gold Miners ETF), in the Financial Services sector, (Asset Management industry), listed on AMEX.
VanEck Junior Gold Miners ETF (GDXJ) seeks to replicate as closely as possible, before fees and expenses, the price and yield performance of the MVIS Global Junior Gold Miners Index (MVGDXJTR), which is intended to track the overall performance of small-capitalization companies that are involved primarily in the mining for gold and/or silver.
GDXJ (VanEck Junior Gold Miners ETF) trades in the Financial Services sector, specifically Asset Management, with a market capitalization of approximately $8.99B, a beta of 0.86 versus the broader market, a 52-week range of 57.46-157.49, average daily share volume of 5.3M, a public-listing history dating back to 2009. These structural characteristics shape how GDXJ etf options price implied volatility around earnings windows, capital events, and macro-driven sector rotations.
A beta of 0.86 places GDXJ roughly in line with broader market moves, so the strategy payoff and realized volatility track the index-equivalent baseline. GDXJ pays a dividend, which adjusts put-call parity and shifts the ex-dividend pricing across the listed chain.
What is a butterfly on GDXJ?
A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration.
Current GDXJ snapshot
As of May 15, 2026, spot at $117.03, ATM IV 50.97%, IV rank 52.13%, expected move 14.61%. The butterfly on GDXJ 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 butterfly structure on GDXJ specifically: GDXJ IV at 50.97% 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 14.61% (roughly $17.10 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 GDXJ expiries trade a higher absolute premium for lower per-day decay. Position sizing on GDXJ should anchor to the underlying notional of $117.03 per share and to the trader's directional view on GDXJ etf.
GDXJ butterfly setup
The GDXJ butterfly below is built from the end-of-day chain, with each option leg priced at the bid/ask midpoint of its listed strike. With GDXJ near $117.03, the first option leg uses a $111.00 strike; additional legs (when the strategy has them) anchor to spot-relative offsets. Premiums come from the bid/ask midpoint on the listed GDXJ 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 GDXJ shares for the stock leg in covered calls and collars).
| Action | Type | Strike / Basis | Premium (est) |
|---|---|---|---|
| Buy 1 | Call | $111.00 | $9.85 |
| Sell 2 | Call | $117.00 | $7.00 |
| Buy 1 | Call | $123.00 | $4.25 |
GDXJ butterfly risk and reward
- Net Premium / Debit
- -$10.00
- Max Profit (per contract)
- $534.69
- Max Loss (per contract)
- -$10.00
- Breakeven(s)
- $110.72, $123.33
- Risk / Reward Ratio
- 53.469
Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit.
GDXJ butterfly payoff curve
Modeled P&L at expiration across a range of underlying prices for the butterfly on GDXJ. 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% | -$10.00 |
| $25.88 | -77.9% | -$10.00 |
| $51.76 | -55.8% | -$10.00 |
| $77.63 | -33.7% | -$10.00 |
| $103.51 | -11.6% | -$10.00 |
| $129.38 | +10.6% | -$10.00 |
| $155.26 | +32.7% | -$10.00 |
| $181.13 | +54.8% | -$10.00 |
| $207.01 | +76.9% | -$10.00 |
| $232.88 | +99.0% | -$10.00 |
When traders use butterfly on GDXJ
Butterflies on GDXJ are pinning bets - traders use them when they expect GDXJ to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.
GDXJ thesis for this butterfly
The market-implied 1-standard-deviation range for GDXJ extends from approximately $99.93 on the downside to $134.13 on the upside. A GDXJ long call butterfly is a pinning play: it pays maximum at the middle strike if GDXJ settles there at expiration, with the wing legs capping both the cost and the maximum loss to the net debit. Current GDXJ IV rank near 52.13% is mid-range against its 1-year distribution, so the IV signal is neutral; the butterfly thesis on GDXJ should anchor more to the directional view and the expected-move geometry. As a Financial Services name, GDXJ options can move on sector-level news flow (peer earnings, regulatory updates, industry-specific macro data) in addition to GDXJ-specific events.
GDXJ butterfly positions are structurally neutral / pin (limited-risk, limited-reward); 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. GDXJ positions also carry Financial Services sector concentration risk; news flow inside the sector (peer earnings, regulatory shifts, supply-chain headlines) can move GDXJ alongside the broader basket even when GDXJ-specific fundamentals are unchanged. Always rebuild the position from current GDXJ chain quotes before placing a trade.
Frequently asked questions
- What is a butterfly on GDXJ?
- A butterfly on GDXJ is the butterfly strategy applied to GDXJ (etf). The strategy is structurally neutral / pin (limited-risk, limited-reward): A long call butterfly buys one lower-strike call, sells two ATM calls, and buys one higher-strike call, paying a small net debit for a defined-risk position that maxes out if the underlying pins the middle strike at expiration. With GDXJ etf trading near $117.03, the strikes shown on this page are snapped to the nearest listed GDXJ chain strike and the premiums come straight from the end-of-day bid/ask midpoint.
- How are GDXJ butterfly max profit and max loss calculated?
- Max profit equals the wing width minus net debit times 100 (reached when the underlying pins the middle strike); max loss equals the net debit times 100. Two breakevens at lower-wing plus debit and upper-wing minus debit. For the GDXJ butterfly priced from the end-of-day chain at a 30-day expiry (ATM IV 50.97%), the computed maximum profit is $534.69 per contract and the computed maximum loss is -$10.00 per contract. Live intraday quotes will differ as the chain moves through the trading session.
- What is the breakeven for a GDXJ butterfly?
- The breakeven for the GDXJ butterfly priced on this page is roughly $110.72 and $123.33 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 GDXJ market-implied 1-standard-deviation expected move is approximately 14.61%; if the move sits well outside the breakeven distance, the structure's risk-reward becomes correspondingly tighter.
- When should you consider a butterfly on GDXJ?
- Butterflies on GDXJ are pinning bets - traders use them when they expect GDXJ to settle near a specific level at expiration (often the prior close, a round number, or the max-pain strike) and want defined-risk exposure to that outcome.
- How does current GDXJ implied volatility affect this butterfly?
- GDXJ ATM IV is at 50.97% with IV rank near 52.13%, 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.