Nobody can tell you whether next month will be up or down. What the evidence can tell you is how waiting has worked out, what today’s backdrop looks like, and which personal questions matter more than market timing.
Market risk reading, cross‑asset context and an events calendar: see Exent →
For money you will not need for many years, history says the timing of the start has mattered less than staying invested. For money you need soon, there is rarely a good time to put it in stocks, because a fall of 20% or more can happen in any year.
This page is education, not advice. It cannot know your situation. It shows what the data says about waiting and what to check first.
Historically, investing now has usually won. Markets rise more often than they fall, so waiting tends to cost more than it saves. A backtest on the S&P 500 (SPY), from Exent’s data as of Sep 30, 2026:
| Backtest, S&P 500 (SPY) | Result |
|---|---|
| Rolling 12-month windows tested | 112 |
| Lump sum beat 12 monthly purchases | 84.8% of windows |
| Average lump-sum advantage | +7.43 percentage points |
| $10,000 invested Jul 2016, value Sep 30, 2026 | $42,626 |
Hypothetical, before taxes and costs. Spreading money in over time still has a role: it limits regret if a crash comes soon after you start. The trade‑off is covered in lump sum vs dollar‑cost averaging and buy the dip vs DCA.
It hurts, and recovery takes time. The decade above included several sharp falls. These are S&P 500 (SPY) peak‑to‑trough drops and calendar‑year returns from the same data:
| Episode | Peak to trough | Calendar-year return |
|---|---|---|
| 2018 trade-war selloff | −20.2% | 2018: −4.6% |
| COVID crash, 2020 | −34.1% | 2020: +18.3% |
| 2022 inflation bear market | −25.4% | 2022: −18.2% |
| 2025 tariff selloff | −19.0% | 2025: +17.7% |
In the same growth‑of‑$10,000 series, an investment worth $25,043 at the end of 2021 fell to $20,491 by the end of 2022 and was back to $25,855 by the end of 2023. Past recoveries are not guaranteed. Recovery times for older crashes are in how long markets take to recover.
By most long‑run measures, yes. The Shiller CAPE ratio, which compares prices with 10 years of inflation‑adjusted earnings, stood at 41.87 on Oct 9, 2026, according to multpl.com. Its long‑run mean is 17.42 and its peak was 44.19 in December 1999.
High starting valuations have tended to go with lower returns over the following decade. They have been much less useful for timing. The ratio can stay high for years while prices keep rising. More in are we in a bubble?
Reading the backdrop is different from predicting it. Professionals look at whether liquidity is easing or tightening, whether credit markets are calm, where the economy is in its cycle and how stretched sentiment is. A read of the backdrop describes conditions; it does not say when to buy.
Two other facts as of Sep 30, 2026, from the same data: the S&P 500 was up 12.1% for the year, and only 40.8% of the largest US stocks had beaten it over the past 12 months. The rally has been narrow. See what is a market regime? and are we in a bull or bear market?
Because most of the damage comes from selling at the wrong time, not buying at the wrong time. Morningstar’s Mind the Gap 2026 found that over the 10 years to Dec 31, 2025, the average dollar in US funds earned 8.7% a year, against 9.9% for the funds themselves. The gap came from the timing of purchases and sales.
An investor who starts at a bad moment and holds usually ends up better off than one who starts at a good moment and panics later. The evidence on in‑and‑out moves is in does market timing work?
Historically, waiting has usually cost more than it saved, because markets rise more often than they fall. In Exent’s data, a lump sum in the S&P 500 beat 12 months of gradual buying in 84.8% of rolling windows since 2016.
Not necessarily. In rising markets, new highs are common, so the index often sets several in a year. A high level alone has not been a reliable signal of a coming fall: since 1955, the S&P 500’s median gain in the year after a record close was about 10%, close to the median after any day.
By long-run measures they are expensive. The Shiller CAPE ratio was 41.87 on Oct 9, 2026, versus a long-run mean of 17.42. High valuations have been linked to lower long-run returns but are a poor short-term timing tool.
On average, investing at once has done better because markets tend to rise. Dollar-cost averaging reduces the regret of investing right before a fall, which helps some investors stay the course.
Money in stocks is commonly held for at least five years, because falls of 20% to 35% have happened several times in a decade and recoveries can take one to several years.
Market intel provides a Risk ON / Neutral / Risk OFF reading from four pillars, cross-asset analysis, an events calendar and regular written notes. Context for reviewing a plan, not a crash forecast.
Educational content, not investment advice. Examples are illustrative; past performance does not guarantee future results.