On August 14, 2026, after spending 45 minutes staring at the Baidu options chain and arguing with myself, I sold one BIDU put: $80 strike, June 17, 2027 expiration, $6.00 per share in premium. One contract, 100 shares of exposure, $600 of credit before commissions. On its own that’s an unremarkable trade. I want to walk through it in obsessive detail anyway, because most explanations of cash-secured put selling either skip the mechanics or skip the reasoning, and the reasoning is the part that matters. My underlying view: Baidu’s AI and robotaxi businesses can grow into the valuation over time.
The setup, with the numbers that actually matter
Baidu was trading around $105 to $110 when I placed this. Its 52-week range runs from $84.64 to $165.30. The stock has been re-rated hard over the past year, and it’s volatile, which means option premiums are elevated. That combination, a beaten-down valuation plus fat premiums, is exactly the setup where selling a put pays if you actually have conviction in the business.
I chose the $80 strike, below the 52-week low, with an expiration ten months out. Breakeven is the strike minus the premium, so $74 a share. That’s roughly 30% below where the stock was trading when I opened the position: a wide cushion before this trade becomes a loss, even if I’m assigned the full 100 shares.
Why Baidu, and not the alternatives
I could have sold puts on plenty of names that week. I didn’t, for reasons that go beyond “Baidu looked interesting.”
I looked at other large-cap techs with high implied volatility, and most were still trading above their historical multiples. That meant the premium didn’t compensate for the assignment risk, because selling a put on an expensive stock is getting paid to buy something that’s still expensive when it lands in your account. Alibaba was one I passed on for exactly that reason.
Two things stood out about Baidu. First, it was trading around 1.9x sales against a peer average near 4.3x, so the market was pricing in real pessimism, not just volatility. Second, the balance sheet gave me downside protection independent of the share price: about $16.95 billion in cash against $13.65 billion in debt, roughly $3.3 billion net cash, or about $9.70 a share. That’s a company that can sit through a bad stretch without an existential threat. That’s the kind of base I want under me if I end up owning the stock.
I also deliberately sold into the elevated implied volatility ahead of Baidu’s August 18 earnings, four days out. The IV run-up into a binary event inflates put premiums, and I was willing to take the earnings risk because I’d already decided the stock was worth owning at $74 regardless of the print. That’s not a mistake. It’s a choice, made with eyes open.
The IBKR walkthrough
I use Interactive Brokers for the low commissions and the depth of its options infrastructure. Placing this trade there is different from the flat-fee retail apps.
- Options permissions. IBKR has four permission tiers, where most brokers have two or three. This trade is a Tier 1 (“Limited”) strategy: covered calls, protective puts, cash-secured puts. You apply in Client Portal under Settings → Trading Permissions → Options. IBKR is a little more conservative than Webull on the lower tiers and more generous than most on the higher ones (spreads, naked calls).
- Platform. I do this in Trader Workstation rather than the mobile app or Client Portal, because TWS gives far more order control and easier access to real-time Greeks. For a newcomer, the mobile or Client Portal options interface is perfectly usable; TWS pays off once you’re running several positions. If you can’t find your option level, this guide covers the IBKR interface.
- The options chain. In TWS, open BIDU, right-click, choose Option Chains (or use OptionTrader from the Trading menu). It lays out bid, ask, and Greeks in one row per contract. I found the June 2027 cycle, scrolled to the $80 strike, and noted the delta and the bid-ask spread before deciding anything.
- The cash-secured structure. This is the important part, and IBKR handles it differently by account type. In a cash account, or a margin account where you flag the put as cash-secured, IBKR reserves the full $8,000 obligation (strike × 100) and won’t let you use it elsewhere until the position closes or expires. In a plain Reg-T margin account, IBKR will let you sell the same put against far less buying power, and that’s exactly where people get over-leveraged. I keep the full $8,000 set aside, the same way I’d earmark cash to buy 100 shares at $80.
- The order. Right-click the $80 put, choose Sell, and an order ticket opens. On a name like Baidu the bid-ask spread is wider than something like SPY, so a market order can fill badly. I placed a limit in the middle of the spread and it filled within minutes at $6.00.
- Commission. IBKR Pro’s tiered options commission runs about $0.65 per contract, small next to a $600 premium, but worth knowing rather than assuming “free.”
- I sell strikes around 0.15 to 0.30 delta — roughly a 15% to 30% chance of finishing in the money. IBKR’s chain shows this directly, so the statistical edge is visible, not guessed.
- I spread expirations across the calendar and avoid clustering positions around one event, so a bad earnings reaction or a macro shock doesn’t hit several trades expiring at once.
- I only sell into elevated implied volatility ahead of a binary event, as I did here, on names I’ve researched myself and would be content to own either way. Not to chase a fatter premium on a company I haven’t done the work on.
What “I got $600” leaves out: the actual return
$600 in premium on $8,000 of reserved capital is a 7.5% return over the roughly 306 days to expiration, or about 9% annualized. That’s what I earn if the put expires worthless. If Baidu is above $80 on June 17, 2027, I keep the full premium with no further obligation.
If I’m assigned instead, my cost basis in the shares is $74, the strike minus the premium collected, about 30% below where the stock traded when I opened the trade. Both outcomes are acceptable to me given the thesis, and that “I’m fine either way” feeling is the best gut-check for whether a cash-secured put is well structured.
Put-selling as disciplined dip-buying
The real lesson here isn’t about Baidu. It’s about the discipline. Ordinary dip-buying means watching a stock fall and buying near the bottom with no set price in mind and mostly emotional reasons. Selling a cash-secured put is the other side of that: you commit in advance to a specific entry price, you get paid for the commitment, and then you wait for the stock to come to you at a level you already decided was reasonable.
The “safer” part comes from three rules I don’t bend. The strike has to be meaningfully below the current price, not right at the money, so there’s real cushion against short-term volatility. The position has to be genuinely cash-secured, so a sharp drawdown can’t turn into a margin call on top of a market move. And the underlying company needs a balance sheet strong enough to survive a bad stretch, because assignment means you’re buying the equity, not just closing an option.
Getting a high win rate without gambling
A few rules I use, some learned the hard way:
The honest risks
There’s real China-specific regulatory risk here that a standard US-equity analysis doesn’t capture, plus exposure to US-China tech tensions that have historically pushed Chinese ADRs around independent of fundamentals. Trailing-twelve-month free cash flow is negative, around −$1.39 billion, driven by AI infrastructure capex, and that needs to improve over time for the long-term thesis to hold. And the $8,000 I’ve set aside is real money with a real opportunity cost. It’s locked up for ten months even if the trade works exactly as intended.
Financial disclaimer: The content on StockVane is for educational and informational purposes only and should not be construed as professional financial advice. Options trading involves significant risk of loss.