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
24Q1 (20)2.23-5.91-11.8613.658.0829.0240.866.613.786.67-7.49-22.4467.648.6138.63-20.11-20.13-369.86
23Q4 (19)2.373.04-12.5512.6311.6719.3838.33-2.9414.287.21-10.43-16.1662.287.6438.92-16.74-62.21-522.3
23Q3 (18)2.30-8.73-12.2111.314.638.0239.499.2713.548.05-4.39-7.3657.8617.242.79-10.32-114.11-451.02
23Q2 (17)2.52-0.42.8610.812.172.7636.140.64-2.98.42-2.09-2.6649.371.198.39-4.82-12.62-1654.84
23Q1 (16)2.53-6.64-0.3910.580.0-10.2635.917.070.228.600.011.448.798.8313.92-4.28-59.11-694.44
22Q4 (15)2.713.44-3.5610.581.05-4.0833.54-3.573.458.60-1.044.2444.8310.6419.1-2.69-191.5-189.07
22Q3 (14)2.626.944.3810.47-0.4830.2234.78-6.56-4.248.690.46-23.1740.52-11.04-11.972.94848.3983.75
22Q2 (13)2.45-3.54-2.7810.52-10.7725.0937.223.883.078.6512.05-20.0645.556.35-7.770.31-56.94112.55
22Q1 (12)2.54-9.613.2511.796.8923.5835.8310.52-3.217.72-6.42-19.0842.8313.79-22.810.72-76.16108.06
21Q4 (11)2.8111.9516.1211.0337.19-2.7332.42-10.74-13.858.25-27.062.8737.64-18.23-34.633.0288.75125.31
21Q3 (10)2.51-0.44.588.04-4.4-20.8736.320.58-4.0711.314.5326.3746.03-6.8-23.071.60164.78112.29
21Q2 (9)2.522.4412.58.41-11.84-15.7336.11-2.46-10.9910.8213.4218.6449.39-10.99-16.33-2.4772.3473.55
21Q1 (8)2.461.6523.09.54-15.87-27.0637.02-1.62-18.589.5418.9537.0755.49-3.638.89-8.9325.15-707.48
20Q4 (7)2.420.8337.511.3411.61-22.2237.63-0.61-27.318.02-10.3928.5357.58-3.7642.21-11.938.37-168.09
20Q3 (6)2.407.1450.9410.161.8-11.2737.86-6.68-33.798.95-1.8612.5859.831.3636.94-13.02-39.4-160.73
20Q2 (5)2.2412.044.529.98-23.717.8340.57-10.78-30.99.1231.03-15.0859.0315.8446.95-9.34-735.37-131.9
20Q1 (4)2.0013.640.013.08-10.290.045.47-12.170.06.9611.540.050.9625.860.01.47-91.610.0
19Q4 (3)1.7610.690.014.5827.340.051.77-9.460.06.24-21.510.040.49-7.320.017.52-18.280.0
19Q3 (2)1.592.580.011.4535.180.057.18-2.610.07.95-25.980.043.698.760.021.44-26.780.0
19Q2 (1)1.550.00.08.470.00.058.710.00.010.740.00.040.170.00.029.280.00.0
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)9.56-3.6348.057.9838.193.817.60-7.3255.2325.41-9.450
2022 (9)9.9211.8444.503.3236.79-10.558.20-3.344.04-9.860.9528.38
2021 (8)8.8710.1943.07-7.7741.13-9.318.488.4448.86-8.140.740
2020 (7)8.0527.7846.7010.6445.35-21.767.82-9.653.1935.38-0.020
2019 (6)6.3020.2342.2128.4957.96-16.88.65-22.1439.2946.4427.32-49.35
2018 (5)5.2421.332.8575.5769.66-17.4511.11-43.0526.8329.353.94-35.13
2017 (4)4.321.8918.7131.2184.39-1.8519.51-23.7620.7526.8383.15-12.67
2016 (3)4.24-8.6214.26-8.7785.989.2125.599.5516.36-12.4295.2114.15
2015 (2)4.64-16.0915.63-33.2378.7319.223.3649.8418.68-27.9683.4149.69
2014 (1)5.53-10.2323.41-0.6466.0511.3815.590.6525.93-35.0355.7259.75

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