玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.80-20.0-20.00.71-28.28-7.79113.2424.1524.52128.8940.169.0863.178.849.37178.9743.0318.26
24Q2 (19)1.00-25.93-31.970.99-7.48-1.091.2135.6747.3591.967.921.2958.0423.2845.32125.1318.7610.99
24Q1 (18)1.3523.85-2.881.0759.764.6267.23-19.682.5985.21-37.38-39.1647.08-21.79-1.38105.36-33.97-33.25
23Q4 (17)1.099.023.860.67-12.9924.0783.70-7.96-18.7136.0715.16-19.8860.204.22-10.1159.575.44-22.47
23Q3 (16)1.00-31.970.00.77-23.0-11.4990.9446.91-0.43118.1630.1512.5957.7644.628.16151.3434.245.92
23Q2 (15)1.475.7638.681.0053.858.761.90-5.54-28.0990.79-35.18-7.9839.94-16.34-28.53112.74-28.57-12.51
23Q1 (14)1.3957.9517.80.6520.37-30.8565.53-36.35-14.77140.06-17.5344.8547.74-28.7-12.47157.84-23.3132.59
22Q4 (13)0.88-12.0-30.160.54-37.93-44.33102.9512.7242.73169.8361.8280.8666.9625.3941.56205.8244.0573.37
22Q3 (12)1.00-5.66-6.540.87-5.43-7.4591.336.17.46104.956.387.8653.40-4.441.95142.8810.889.98
22Q2 (11)1.06-10.17-17.830.92-2.13-13.2186.0811.9521.6598.662.0414.8555.882.466.18128.868.2523.87
22Q1 (10)1.18-6.350.00.94-3.092.1776.896.6-0.5396.692.97-1.8954.5415.31-11.49119.040.274.21
21Q4 (9)1.2617.76-5.260.973.19-5.8372.13-15.135.3693.90-3.495.9647.30-9.79.26118.72-8.614.32
21Q3 (8)1.07-17.05-14.40.94-11.3228.7784.9920.1116.5897.3013.27-21.752.38-0.4834.79129.9124.88-17.93
21Q2 (7)1.299.3241.761.0615.2289.2970.76-8.46-28.9385.90-12.84-47.2652.63-14.59-4.2104.03-8.93-49.87
21Q1 (6)1.18-11.2826.880.92-10.6831.4377.3012.91-20.9698.5511.21-23.7561.6242.343.32114.230.38-31.76
20Q4 (5)1.336.411.761.0341.14.0468.46-6.09-10.6888.62-28.68-3.9643.2911.4-13.83113.80-28.11-4.11
20Q3 (4)1.2537.360.00.7330.360.072.90-26.780.0124.26-23.710.038.86-29.270.0158.29-23.720.0
20Q2 (3)0.91-2.150.00.56-20.00.099.561.80.0162.8826.030.054.94-7.880.0207.5023.950.0
20Q1 (2)0.93-21.850.00.70-29.290.097.8027.590.0129.2440.070.059.6418.710.0167.4041.050.0
19Q4 (1)1.190.00.00.990.00.076.650.00.092.270.00.050.240.00.0118.680.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)5.954.752.99-11.0161.35-4.44121.8812.1341.91-5.33141.329.87
2022 (9)5.6815.213.36-17.6564.20-13.24108.7021.3844.27-13.16128.6314.26
2021 (8)4.9343.734.0833.3374.00-30.4189.55-25.0350.98-26.83112.58-27.88
2020 (7)3.43-17.943.06-29.98106.3321.76119.4442.9469.6738.07156.1029.62
2019 (6)4.180.724.37-14.9887.33-0.7383.5617.7750.4614.86120.434.73
2018 (5)4.15-7.165.147.5387.977.7970.95-7.0543.932.02114.990.1
2017 (4)4.47-11.834.78-1.4481.6113.4476.331.5343.062.43114.889.32
2016 (3)5.079.034.850.8371.94-8.3875.18-0.9442.04-13.96105.09-0.44
2015 (2)4.65-8.644.81-0.4178.529.5975.890.3348.8619.49105.55-0.79
2014 (1)5.09-0.974.8310.5371.650.875.64-9.3740.8923.65106.39-12.41

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