Options traders' fears of a U.S. stock market crash have pulled back nearly to levels seen before the U.S.-Israeli attacks on Iran that made oil prices soar. The Nations TailDex Index and the Cboe Skew Index, two separate gauges that measure how much traders are paying for crash protection, have retreated to near where they stood before the February 28 strikes on Iran. The S&P 500 is still down 2% from pre-war levels. "TDEX is signaling that investors are now less worried about a "tail event," or a really steep drop in equity prices, than at any point since the war started," said Scott Nations, president of Nations Indexes, an independent developer of volatility and option strategy index products. "Given the muted response from the S&P 500, this outlook makes sense, but it's an important metric to watch," he said. On Monday, the TailDex index was at 18.84, just below its closing level of 19.01 on February 27. The Cboe SKEW index finis...