If the worst financial crisis since 1929 did not seriously dent Goldman Sachs Group , it is highly unlikely the bank will be undone by two quarters of weak performance in the trading business.

So far this year, Goldman’s shares have plunged about 6%. While the bank’s executives must determine what caused the weakness – Are its traders too risk-averse? Are competitors like Morgan Stanley (ticker: MS) simply willing to embrace greater risks for greater profits? – investors should look to the future.

Goldman Sachs (GS) remains, and will remain, one of the world’s most impressive and creative banks. The key question is, how long will it take Goldman’s executives to fix the issues in the trading division.

One way to express confidence in the bank while limiting risk is to use call options that will prove profitable if the stock rallies. Investors should consider trades that expire in January and June 2018. Each expiration provides ample time for a trading rebound.

Michael Schwartz, Oppenheimer & Co.’s chief options strategist, is telling clients to consider “call spreads” on Goldman. The strategy entails buying one call while selling another with a higher strike price but similar expiration.

With the stock trading around $225, investors can buy Goldman’s January $235 call and sell the January $255 call. The trade cost $5.81 when the stock was at $225.33. If the stock is at $255 at expiration, the spread is worth $14.19. The trade’s risk is that the stock never punches above $240.81 – the $235 strike price plus the trade’s cost. In that case, the trade fails.

Investors who think Goldman’s difficulties might prove to be more challenging, or that the market may exacerbate existing difficulties, can use a June expiration with the same strike prices.

Both trades may benefit from two exogenous factors: an interesting technical chart and regulatory reform.

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While $227 has defined Goldman’s upside resistance since April, Ari Wald, Oppenheimer’s chief technical strategist, is encouraged by the stock’s ability to stabilize above $210. He thinks this enables the stock to mount a rally above resistance at $250, marking a major breakout above its 2007 peak.

If President Donald Trump rolls back postcrisis regulations or lowers tax rates in such a way to favor corporations, Goldman’s stock will get another boost.

Though much will continue to be made of any troubles that befall Goldman, resist the urge to get too caught up in the farrago of fact and envy that always follows the bank.

The time to buy stocks is not when they are trading at record highs, but when they are trading under a cloud and a capable management team is working hard to move toward brighter conditions.

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