Covered Call On Canadian Stocks Currency Risk

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TL;DR

  • Writing covered calls on Canadian stocks adds an extra layer of currency risk if the underlying trades in CAD while your account is in USD.
  • USD/CAD swings can wipe out option premium or amplify losses if the stock falls and the loonie weakens.
  • Hedge it with FX forwards, CAD margin accounts, or simply trade the U.S. listed version of the same name.
  • Always price the trade in your home currency before you pull the trigger.

Back in March 2020, when the world stopped flying and oil went negative, I had a tidy little position in Suncor and I was happily collecting call premium every Friday. Then the loonie fell off a cliff from eighty-five cents to seventy cents against the greenback in six weeks. My shares dropped, that was no surprise, but the currency move erased even more value when I converted everything back to USD. The calls I had sold for a buck and a quarter suddenly looked like pocket change against a fifteen percent currency headwind. That episode forced me to rebuild the entire playbook for Canadian names. Here is what made the cut.

Why Currency Risk Shows Up in the First Place

Most U.S. accounts buy the Toronto listed shares and the options on the Montreal Exchange. The stock is priced in CAD, the option premium is paid in CAD, and the shares settle in CAD. If your cash sits in USD, every P/L item has to be re-tagged at the closing FX rate. A two percent move in USD/CAD can easily offset a month of covered-call income. In sideways markets that is the whole ball game.

The Quick Math Example

Suppose Royal Bank of Canada is CAD 100 and you sell a 30-day 102 call for CAD 2.00. The notional credit is CAD 200 per hundred shares, roughly USD 150 at an exchange rate of 0.75. If the loonie slips to 0.70, your CAD 200 becomes USD 140 even before you factor in stock movement. If the stock falls to CAD 95, you are down CAD 500 on the shares plus another USD 10-15 on the currency translation. The net loss feels like a 3.5 percent hit even though you collected option premium. That is why the headline yield number is only half the story.

Three Ways to Hedge the FX Piece

1. FX Forward or Futures
Go long USD/CAD in the forward market for the exact notional value of your Canadian holdings. The forward locks in today’s rate and the premium cost is usually less than two weeks of call income. Roll it every quarter along with your options.

2. CAD Margin Account
Keep a separate CAD cash balance inside your broker. Dividends, option premium, and share sales all stay in CAD. Currency conversion happens when you decide, not when the market decides. Interactive Brokers and Schwab both support this with a few clicks.

3. Trade the U.S. Listed ADR
Many large Canadian names have NYSE listings. You can write covered calls on RY, SU, or BNS right in your USD account. Liquidity is thinner and bid-ask spreads are wider, but you remove the FX mismatch entirely. Run the numbers on volume before you commit.

When Not to Hedge

If you are already bullish the Canadian dollar, perhaps because you believe oil is beginning a multi-year run, leaving the exposure unhedged can become a second profit engine. I have done that twice since 2010 and it worked both times, but only when the fundamental story lined up. Without a strong view, hedge first and ask questions later.

Checklist Before You Enter the Trade

  1. Convert the stock price, strike price, and option premium into USD at today’s rate.
  2. Calculate your break-even in USD terms including commissions.
  3. Decide on the hedge method and cost it out.
  4. Set a circuit breaker for the FX rate so you know when to exit if the trade moves against you.

Do U.S. options on Canadian ADRs carry the same currency risk?

No. The underlying shares trade in USD, so your P/L is quoted in USD throughout. The only exchange-rate exposure left is the fundamental revenue base of the company, which is usually a smaller factor.

Can I use FX options instead of forwards?

Yes, but the bid-ask spread on USD/CAD options is wide and the minimum contract size may be too large for the average account. For most people the forward or CAD cash account is cheaper and simpler.

How often should I roll the FX hedge?

Roll it at the same cadence you roll your covered calls. If you sell calls monthly, close the old forward on expiry and open a new one for the next thirty days. That keeps the hedge size matched to your current market value.

If you want the exact checklist I use before every Canadian covered-call trade, grab the free playbook at cashflowmachine.io/covered-calls and watch the walkthrough on YouTube. The video runs through a live Suncor example step by step.

The currency tailwind can be your best friend or your worst enemy. Price the trade in your home currency, hedge when you have no strong forex view, and let the covered-call engine do what it does best: collect income while you wait.

Ready to tighten up your process? Start here: https://cashflowmachine.net/options-mentorship

This is education, not financial advice. Past performance is not indicative of future results. Consult a qualified advisor before making investment decisions.