
stockprofitcalculator.net
Stock profit calculator for trades and investments
What it does
StockProfitCalculator.net helps you estimate stock profit, loss, return percentage, breakeven price, and total trade value. Enter buy price, sell price, number of shares, and optional fees to quickly calculate the result of a stock trade or investment. Useful for checking potential gains, losses, fees, and returns before or after buying or selling shares.
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- QOQuantifying opportunity cost with a deliberately "simple" web appFeb 2026 · shouldhavebought.com · ▲28
Hi HN, A while ago I had a mildly depressing realization. Back in 2010, I had around $60k. Like a "responsible" person, I used it as a down payment on an apartment. Recently, out of curiosity, I calculated what would have happened if I had instead put that money into NVIDIA stock. I should probably add some context. For over 10 years I've worked as a developer on trading platforms and financial infrastructure. I made a rule for myself - never trade on the market. In 2015, when Bitcoin traded about 300 usd, my brother and I were talking about whether it was a bubble. He made a bold claim that…
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Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
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