Blank Sailings

  • The Bottom Line: Blank sailings are more than a niche logistics term; they are a powerful, real-time barometer of global economic health that can signal hidden risks and opportunities across your entire investment portfolio.
  • Key Takeaways:
  • What it is: A blank sailing is when a shipping carrier cancels a scheduled voyage or skips a specific port on its route, usually because there isn't enough cargo to make the trip profitable.
  • Why it matters: A rising number of blank sailings is a strong leading indicator of slowing global trade and weakening consumer demand, impacting everything from retailers to manufacturers long before it shows up in official economic reports. It's a crucial part of supply_chain_analysis.
  • How to use it: A savvy investor uses blank sailing trends as a “reality check” on a company's rosy sales forecasts and as a litmus test for the resilience of its business model and economic moat.

Imagine you're an airline, and you have a flight scheduled from New York to London. Days before takeoff, you see that only 30 of the 200 seats are booked. Flying that nearly empty plane would mean losing a significant amount of money on fuel, crew salaries, and airport fees. What do you do? You cancel the flight, combine those few passengers onto a later flight, and avoid the loss. A blank sailing is the exact same concept, but for the colossal container ships that are the lifeblood of global trade. A shipping line like Maersk or Hapag-Lloyd has a fixed schedule of voyages, called a “string,” that might sail from China to Los Angeles and back every week for a year. If they see that bookings for next week's voyage are dangerously low—meaning companies aren't shipping enough furniture, electronics, or clothing to fill the vessel—they will “blank” that sailing. The ship might stay in port, go for maintenance, or be redeployed to a more profitable route. It's a deliberate business decision driven by simple economics: it's better to cancel a trip and disappoint a few customers than to sail a massive, half-empty ship across the ocean and lose millions of dollars. While often caused by low demand, blank sailings can also occur due to port congestion (like the backups seen in 2021), major holidays that slow down factory production (like Chinese New Year), or strategic decisions by shipping alliances to reduce capacity and push up freight prices. For an investor, the key is to understand that this isn't just a logistical hiccup. It's a clear, unvarnished signal sent directly from the front lines of the global economy.

“The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.” - Vince Lombardi. This applies to a company's will to build a resilient supply chain in the face of disruptions like blank sailings. 1)

A value investor seeks to buy wonderful businesses at fair prices. Understanding blank sailings is critical because they directly test the “wonderful business” part of the equation and can help you identify a “fair price.” Here’s why this seemingly obscure metric is a powerful tool in your value investing toolkit:

  • 1. It's a Canary in the Economic Coal Mine: Government economic reports, like GDP or retail sales, are lagging indicators. They tell you what happened last quarter. Blank sailing data is happening right now. A sharp increase in cancelled voyages on the Asia-to-US route is a real-time signal that American retailers are ordering fewer goods, which means they anticipate consumers will be spending less in the coming months. This can give you an analytical edge, allowing you to question optimistic market narratives before they crumble.
  • 2. It's a Stress Test for a Company's Economic Moat: A company's true strength is revealed not in good times, but in bad. Blank sailings create supply chain chaos. How a company handles this chaos reveals the quality of its moat.
    • Resilience: Does the company have a diversified supplier base across multiple countries, or is it wholly dependent on one region suddenly cut off by blank sailings?
    • Pricing_Power: When shipping costs spike due to reduced capacity, can the company pass those costs on to customers without losing business? Or do its margins get crushed?
    • Operational Excellence: Does the company have sophisticated inventory management systems to handle delays, or will its shelves be empty while competitors' are full?

A business that navigates this disruption well likely has a durable competitive advantage.

  • 3. It Refines Your Margin_of_Safety: When you calculate a company's intrinsic_value, you make assumptions about its future revenues and costs. Blank sailings introduce significant risks to both. They can lead to lost sales (no product to sell) and higher freight costs. By understanding and monitoring blank sailing trends, you can build more conservative and realistic forecasts into your valuation. This ensures your margin_of_safety is robust and not based on overly optimistic, “best-case scenario” assumptions about the supply chain.
  • 4. It Helps Separate Cyclical Noise from Structural Decline: Is a company's sales slump a temporary industry-wide problem (a cyclical downturn) or a permanent loss of its competitive edge? Blank sailing data provides context. If a home improvement company's sales are down 15%, but you see that blank sailings from Asia have soared and all its competitors are suffering from inventory shortages, the problem is likely cyclical. This might present a buying opportunity. If, however, the industry's supply chain is fine and only this company is struggling, it signals a deeper, company-specific issue.

You don't need to be a shipping expert to use this concept. Your goal is to integrate it as a qualitative and quantitative check in your research process.

The Method

Here is a practical, three-step approach for incorporating blank sailing analysis into your investment research:

  1. Step 1: Monitor the Macro Trend.

Get a high-level view of what's happening. You don't need to track individual ships. Follow reputable industry sources that aggregate and report on this data. A few key places to look are:

  • Industry Publications: Free resources like articles from the Journal of Commerce, FreightWaves, and gCaptain often report on major trends in blank sailings.
  • Consulting Firm Reports: Companies like Drewry, Sea-Intelligence, and Xeneta are leading authorities. While their detailed data is often behind a paywall, they regularly publish free summaries, indices, and press releases that contain the essential trends. Simply setting up a news alert for “blank sailings” can keep you informed.
  1. Step 2: Connect the Trend to Your Sectors of Interest.

Once you know the general trend (e.g., “Trans-Pacific blank sailings are up 20%”), apply it to specific sectors:

  • For Retailers (e.g., Target, Home Depot): Does this signal a coming inventory glut or shortage? Are they overly reliant on the affected trade lanes? Listen for mentions of freight costs and inventory levels on their earnings calls.
  • For Manufacturers (e.g., Ford, Apple): How might this disrupt their “just-in-time” production models? Do they have alternative sourcing or transport options? A single missing part can halt an entire assembly line.
  • For Shipping Companies (e.g., Maersk, ZIM): Is this a sign of collapsing demand (bad for volume) or a sign of “capacity discipline” to keep freight rates high (good for margins)? The context is everything here.
  1. Step 3: Ask Deeper, More Insightful Questions.

Use your knowledge of blank sailings to go beyond the surface-level numbers in a company's annual report. During your research, ask questions like:

  • “How resilient is this company's supply chain? Did management discuss diversification efforts after the 2021-2022 crisis?”
  • “What percentage of the Cost of Goods Sold (COGS) is tied to international freight? How sensitive are the company's margins to a 50% spike in shipping rates?”
  • “How does the company manage its inventory? Do they have buffer stock, or are they completely dependent on just-in-time delivery?”
  • “When listening to an earnings call, did the CFO mention 'logistics headwinds' or 'elevated transportation costs'? This is where the impact of blank sailings shows up in the financial statements.”

Let's compare two hypothetical companies during a period of rising blank sailings on the Asia-Europe trade route.

Company Profile Steady Hardware Co. Agile Apparel Inc.
Business Model Sells durable goods (tools, garden supplies) with predictable demand. Sells “fast fashion” clothing with rapidly changing trends.
Sourcing Strategy Diversified sourcing: 60% from Asia, 20% from Eastern Europe, 20% domestic. Single-source strategy: 95% of products come from a handful of factories in one region of China.
Inventory System Maintains a 60-day “safety stock” of its best-selling items in regional warehouses. Relies on a lean, just-in-time model to minimize inventory holding costs.
Market Reaction Stock price drops 15% on news of global slowdown and shipping disruptions. Stock price drops 15% on the same news.

A wave of blank sailings is announced. Here's the impact:

  • Agile Apparel Inc. is devastated. Its “just-in-time” model breaks down. The must-have items for the upcoming season are stuck on the water or in cancelled voyages. They miss the trend, leading to massive revenue losses and eventual deep markdowns on late-arriving goods. Their margins are crushed by both lost sales and soaring air freight costs as they desperately try to fly in a few key items.
  • Steady Hardware Co. is affected, but not broken. Their safety stock allows them to continue supplying customers. They can ramp up orders from their Eastern European and domestic suppliers to mitigate the shortfalls from Asia. While their freight costs increase and margins take a temporary hit, their revenue remains stable and they gain market share from less-prepared competitors.

The Value Investor's Insight: The market initially punished both stocks equally. However, by looking “under the hood” using the lens of blank sailings, the value investor recognizes that Steady Hardware's business is far more resilient. The temporary price drop in its stock is a classic opportunity to buy a wonderful business at a fair price, a price that has been discounted due to a cyclical problem the company is well-equipped to handle. Agile Apparel, on the other hand, is revealed to have a fragile business model, and the price drop may not be a bargain at all.

  • Real-Time Data: It provides a much more current view of economic activity than most official government statistics.
  • Objective Signal: It reflects concrete business decisions, not subjective survey sentiment. A company doesn't cancel a multi-million dollar voyage lightly.
  • Broad Applicability: The insights can be applied across a vast range of sectors that participate in the global economy, from materials and industrials to consumer discretionary.
  • Context is Crucial: A blank sailing isn't always a sign of weak demand. It could be due to a port strike, a major holiday, or bad weather. An investor must seek to understand the reason for the cancellations.
  • Data Accessibility: While trends are widely reported, granular, real-time data on specific routes can be expensive and hard for individual investors to access. The key is to follow the high-level trends from reputable sources.
  • A Tool of the Carriers: Shipping alliances sometimes use blank sailings strategically to create an artificial capacity shortage and drive up freight rates. In this case, it can be a sign of industry pricing power rather than a signal of economic collapse. Understanding the difference is key.

1)
While not from a traditional value investor, Lombardi's quote on will and preparation perfectly captures the proactive mindset needed to navigate the challenges that blank sailings represent.