2020issue C056
One-to-one Fibonacci support on the February 2020 indexes
Two major US stock indexes printed nearly exact Fibonacci 1/1 support versus earlier swing lows on 28 February 2020. This case study uses those coinciding prints to practice logging retracement-support, naming the invalidation-print, and writing the trade idea before the next bar.
- A fibonacci-one-to-one reprint lines the current swing with a prior swing-low and should be written as a support hypothesis, not treated as proof that the level will hold.
- On 28 February 2020 the Dow Jones Industrial Average printed 24681.00 against a 3 June 2019 swing-low of 24680.60, and the S&P 500 printed 2855.80 against a 3 October 2019 swing-low of 2855.90.
- Those prints were framed as candidate reversal areas and as stop references if the measured levels were broken.
- Editorial practice: define the trade idea from the dual-index coincidence before the next bar, and name the invalidation-print when the map is written.
A recorded 1/1 reprint, not a proof
The February 2020 US equity decline was recorded as bringing two major stock indexes to nearly exact Fibonacci 1/1 support versus earlier swing lows. The decline that produced those prints was attributed to news about the Covid-19 virus.
A fibonacci-one-to-one is a 100 percent retracement that places the current swing at the same price as a prior swing-low. Retracement-support is a candidate demand zone defined by a measured Fibonacci relationship to earlier price structure.
Editorial reading: treat the reprint as a written support hypothesis. Log the exact index prints, name the break that would invalidate the map, and define the trade idea before the next bar. A price match is not proof that the level will hold.
The 28 February 2020 index prints
On 28 February 2020 the Dow Jones Industrial Average printed 24681.00, within a fraction of a point of its 3 June 2019 low of 24680.60.
On 28 February 2020 the S&P 500 printed 2855.80, within a tenth of a point of its 3 October 2019 low of 2855.90.
The two prior reference lows used for the 1/1 comparison were recorded on different dates. The 28 February 2020 index prints were framed as candidate reversal areas and as stop references if those levels were broken.
Name the invalidation-print with the map
An invalidation-print is a trade through the measured level that would reject the support hypothesis. Editorial practice is to write that break when the 1/1 levels are logged, so the next bar can confirm or reject the idea rather than rewrite it after the fact.
If those measured levels were broken, the same 28 February 2020 prints were already framed as stop references. That framing keeps the hypothesis falsifiable.
All readings on this track · 17 readings
- 1996Testing Fibonacci retracement bins with moving-average swings
- 1996A pre-trade checklist for pullback entries and abstention
- 2003Sliding-window retracements on the relative strength index
- 2005Three removable gates for a long entry after a confirmed lower low
- 2005Why informal trend calling fails on a confused tape
- 2005Currency Fibonacci levels and overnight entry rules
- 2006Cycle and Fibonacci timing without trend context
- 2007Round-number reversals on equity-index charts
- 2008Parameter windows: exponential averages versus the alligator and Fibonacci lookbacks
- 2010A Dollar Index bounce as a failed-support, Fibonacci and volume test
- 2011A pre-trade checklist before Fibonacci entries
- 2012Fractal price growth and measured retracements
- 2015Scored reversals wait for a three-bar breakout
- 2016Intraday decision areas with Fibonacci and stochastic confirmation
- 2020One-to-one Fibonacci support on the February 2020 indexes
- 2020Fibonacci retracement levels fail a frequency test
- 2020A second-chance daytrade from the mean-reversion pivot zone