Category: Articles

  • Bitcoin Is Here to Stay

    Bitcoin Is Here to Stay


    Yesterday I came across a Bloomberg headline on YouTube: “Nobel Laureate Paul Krugman Calls Bitcoin ‘Total Bust.’” The discussion suggested that crypto might be entering a legitimate “winter,” possibly driven by political factors and asset hoarding. It also raised an interesting question: if a collapse is going to happen, should it happen now — before Bitcoin becomes too interconnected with other asset classes?

    The video is in reference to the sharp price drop bitcoin has gone through lately. As seen in the following chart, BTC to USD has fallen from its $126K high of October 2025, and is curretly hovering around $70K.

    Source: Trading View. Chart used for illustrative purposes.

    With all due respect to Dr. Krugman, whose work I genuinely admire, reading this made me realize something simple: nobody — myself included — truly understands cryptocurrencies.

    Public opinion tends to classify crypto into a few familiar categories:

    • channels for money laundering
    • a way to get rich quickly
    • “virtual gold”
    • would-be currencies that are rarely used in daily life

    Meanwhile, governments are reacting in different ways. Some are worried about competition with their own digital currencies, introducing restrictions or stronger oversight of exchanges and transactions.

    Recently, gold and the S&P 500 have performed strongly while Bitcoin has dropped sharply from last year’s peak and this drives speculation that miners could disappear because of falling prices. I don’t think that will happen.

    Humans dislike unexplained events. When Bitcoin falls, we instinctively search for a narrative. Media outlets often provide one — sometimes before real evidence exists. A common claim today is that Bitcoin will eventually lose all value and investors will return exclusively to gold. Yet when we look closer, many large holders are not selling. A significant portion of trading volume comes from derivatives — futures, options, CFDs — rather than from people buying or selling actual coins.

    Several factors play a role, but one stands out: leverage turns small movements into large oscillations — almost like resonance in a physical system.

    A significant part of Bitcoin trading happens through derivatives where traders use leverage to control positions much larger than their actual capital. When prices move slightly, some positions are automatically liquidated. Those liquidations push the price further, triggering new liquidations in a feedback loop.

    Because the underlying spot market is relatively thin compared to the size of leveraged positions, even modest flows from market makers or professional traders can create outsized price swings. What we often see is not massive buying or selling of real coins, but a chain reaction amplified by leverage.

    In that sense, Bitcoin volatility is less about chaos and more about structure: a highly responsive system where small forces can produce large effects.

    Will this drive Bitcoin’s value to zero? I don’t believe so. Coins lent into the market eventually have to be returned to their owners, and many long-term holders remain inactive. That dynamic alone may prevent permanent collapse and instead pull prices back toward some middle ground over time.

    There is also another dimension rarely discussed. For some people, Bitcoin feels safer than gold — not necessarily as an investment, but as a portable store of value.

    If you have traveled extensively through developing regions for work, you may recognize this situation: standing out in an immigration queue can lead to questions about carrying cash or precious metals. Declaring gold may be legal in some places, but transporting it can be risky. Cryptocurrencies, by contrast, can be secured without physically carrying anything visible.

    This doesn’t make Bitcoin superior to gold — only different. In certain contexts, portability and discretion matter. Perhaps that is one reason why mining activity appears in regions where energy is cheap or capital mobility is restricted.

    Even in developed countries, access to low-cost energy can make mining attractive as a long-term accumulation strategy. Taxes generally apply when converting to fiat currency, but until then the asset exists outside traditional financial structures.

    I am not arguing that Bitcoin will replace existing systems, nor that it is free of risks. But despite volatility, criticism, and regulatory pressure, one thing seems clear to me:

    Bitcoin is here to stay — not because everyone understands it, but because it answers needs that traditional assets do not always address.

  • Sentiment Index — Taking the Market’s Pulse

    Sentiment Index — Taking the Market’s Pulse

    At SPWoodpecker, we’ve added a new tool to our homepage: the Sentiment Index (SI).


    Updated daily after the market close, the SI appears as a dial showing — in a single number — the “mood” of the S&P 500, from extreme pessimism to full-blown euphoria.

    The idea is simple: with a quick glance, you can tell if the wind is at your back or if turbulence lies ahead.


    Click on the dial, and you’ll get a daily chart showing the joint evolution of the S&P 500 and the SI, along with a short comment interpreting the current situation.


    Why Another Sentiment Index?

    The SI takes inspiration from CNN’s Fear and Greed Index, which combines multiple metrics to gauge market confidence or fear.
    We think it’s a great concept — but it’s not always easy to connect it to concrete investment decisions.

    So we built our own indicator with two key differences:

    1. It only uses the price of the S&P 500. We believe the market already discounts all relevant information, so price alone is the most direct way to measure sentiment.
    2. It focuses on distinguishing uptrends from downtrends and showing the levels where a change from one to the other is most likely.

    How It Works

    Without going into formulas, the SI blends two complementary “views”:

    • Stable component: based on moving averages, slower but precise.
    • Sensitive component: based on volatility, noisier but quicker to spot changes.

    We average the two, then normalize the result to a 0–100 scale. The goal isn’t to lead or lag — but to highlight when optimism or pessimism dominates.


    What It’s For

    The SI is not a trading system. It’s a tool for gauging whether we’re in calm waters or rough seas:

    • A high SI usually means fewer corrections and a friendlier wind for bullish positions.
    • A low SI means a greater chance of sharp drops or choppy rebounds.

    This helps you adapt your exposure to your own risk tolerance — whether that means buying into deep pullbacks or waiting for a stronger recovery.


    Real Examples

    • Downtrend: In March 2025, the S&P fell from its February highs. Even though there was a rally in April, the SI signaled the downtrend was still in place, avoiding false entries until May, when the bullish regime began.
    • Uptrend: The S&P 500 rises while the SI stays above 80. The exit threshold is clear — if the SI drops below that level, the trend may be running out of steam.

    Historical Results

    From 1980 to 2025, following the SI’s signals would have reduced the maximum drawdown from 57% to 21%, while slightly underperforming pure buy & hold.


    When interest on idle capital is considered, returns come close — but with far less of a roller coaster ride.


    Want to know each day if the market is optimistic or nervous?
    Check the dial on SPWoodpecker’s homepage, and click for the full chart and daily commentary.

  • SPW Turns Two: Real Results vs. Buy & Hold

    SPW Turns Two: Real Results vs. Buy & Hold

    Summary

    After two years of real-world operation, it is time to assess how SPW has performed and why these results matter to long-term investors. This article explains how SPW behaved compared to a simple buy-and-hold approach, what lessons can be learned, and how it can help investors seeking consistent, moderate-risk returns.

    Two years ago, I launched SPW, a simple trading system for the S&P 500, with one goal: to provide transparent, real-world results without overfitting or excessive complexity. In this article, I review SPW’s actual performance since August 2023, compare it with a buy-and-hold approach, and discuss lessons learned and next steps.


    Why SPW?

    When I created SPW, I wanted a system that was transparent, easy to track, and realistic for long-term investors. Many trading systems online look promising but lack credibility because they:

    • Don’t provide a public record of trades
    • Show short, non-representative track records
    • Use high-leverage derivatives unsuitable for long-term investors
    • Rely on excessive parameters or AI “black boxes”

    Instead, I built SPW to be:

    • Low drawdown – limiting capital loss in tough markets
    • Consistent – performing across different market phases
    • Simple – with only essential parameters, avoiding overfitting

    SPW trades SSO, an ETF that tracks the S&P 500. From the beginning, I documented every trade in a blog so anyone can verify results and draw their own conclusions.


    Results Since August 2023

    SPW started operating publicly on August 11, 2023. In this period, buy & hold slightly outperformed SPW in total return, but with higher drawdown. Importantly, SPW was invested only 37.6% of the time, showing much better risk-adjusted returns.

    MetricBuy & HoldSPW
    Profit/Loss (USD, starting 10,000)4,3113,139
    % Winning Tradesn/a87.5%
    Max Drawdown (MDD)18.9%16.0%
    CAGR20.1%15.0%
    Time in Market100%37.6%
    Risk-Adjusted Return (CAR/TiM)20.1%39.8%
    CAR/MDD1.060.94
    RAR/MDD1.062.49

    SPW closed 8 trades: 7 winners and 1 loser, for a strike rate of 87.5%. The profit ratio (average profit / average loss) reached 4,834%.


    Training vs. Real Operation

    Performance is broadly in line with training results. In bull markets, SPW tends to show higher win rates and lower drawdowns, while in mixed markets the advantage appears in bear phases (by staying out and re-entering at better prices).

    MetricTraining (2006-2023)Real (2023-now)
    % Winning Trades75%87.5%
    Max Drawdown (MDD)22.6%16.0%
    CAGR18%15.0%
    Time in Market53.9%37.6%
    Risk-Adjusted Return33.4%39.8%
    CAR/MDD0.80.94
    RAR/MDD1.482.49

    What’s Next for SPW?

    No changes are planned for SPW at this time. However, I’m considering enhancements to improve resilience, such as:

    • Using SPW signals to invest simultaneously in USD and EUR to hedge currency risk
    • Adjusting capital allocation based on broker returns on idle cash

    Key Takeaways

    • SPW’s real results match training expectations, showing no signs of overfitting.
    • Risk-adjusted performance clearly beats buy & hold, despite slightly lower total return.
    • SPW remains simple, transparent, and effective for long-term investors seeking moderate risk and double-digit returns.

    You can explore SPW’s full track record and methodology on my blog (https://spwoodpecker.com/wordpress/) , where every trade is logged for full transparency.

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